diff --git a/build.gradle b/build.gradle
index 9e17e38..f540749 100644
--- a/build.gradle
+++ b/build.gradle
@@ -50,12 +50,12 @@ configurations.create('contentassist')
 //}
 
 def groovyVersion = '4.0.15'
-def springVersion = '5.2.0.RELEASE'
+def springVersion = '6.0.13'
 
 dependencies {
 	contentassist(
-		'javax.annotation:javax.annotation-api:1.3.2',
-		'javax.inject:javax.inject:1',
+		'jakarta.annotation:jakarta.annotation-api:2.1.1',
+		'jakarta.inject:jakarta.inject-api:2.0.0',
 		'nz.net.ultraq.jaxb:jaxb-utilities:3.0.0-SNAPSHOT',
 		'nz.net.ultraq.groovy:groovy-extensions:2.2.0',
 		'nz.net.ultraq.groovy:groovy-profiling-extensions:0.7.0',
diff --git a/org.thymeleaf.extras.eclipse.contentassist/META-INF/MANIFEST.MF b/org.thymeleaf.extras.eclipse.contentassist/META-INF/MANIFEST.MF
index 6d124aa..812ca25 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/META-INF/MANIFEST.MF
+++ b/org.thymeleaf.extras.eclipse.contentassist/META-INF/MANIFEST.MF
@@ -6,6 +6,7 @@ Bundle-Version: 3.1.0.qualifier
 Bundle-Activator: org.thymeleaf.extras.eclipse.ContentAssistPlugin
 Require-Bundle: org.eclipse.core.resources;bundle-version="3.19.0",
  org.eclipse.core.runtime;bundle-version="3.27.0",
+ org.eclipse.e4.ui.model.workbench;bundle-version="2.4.0",
  org.eclipse.jdt.core;bundle-version="3.34.0",
  org.eclipse.jdt.ui;bundle-version="3.29.0",
  org.eclipse.jface.text;bundle-version="3.24.0",
@@ -17,18 +18,6 @@ Require-Bundle: org.eclipse.core.resources;bundle-version="3.19.0",
 Bundle-ActivationPolicy: lazy
 Bundle-RequiredExecutionEnvironment: JavaSE-17
 Bundle-Vendor: Thymeleaf Project
-Export-Package: org.thymeleaf.extras.eclipse.autocomplete;uses:="org.eclipse.core.runtime,org.eclipse.wst.sse.ui.contentassist,org.thymeleaf.extras.eclipse.contentassist",
- org.thymeleaf.extras.eclipse.autocomplete.generators;
-  uses:="org.eclipse.wst.xml.core.internal.provisional.document,
-   org.thymeleaf.extras.eclipse.contentassist,
-   org.eclipse.jface.text,
-   org.eclipse.wst.sse.core.internal.provisional.text",
- org.thymeleaf.extras.eclipse.autocomplete.proposals;
-  uses:="org.eclipse.jface.text.contentassist,
-   org.eclipse.swt.graphics,
-   org.thymeleaf.extras.eclipse.dialect.xml,
-   org.eclipse.jface.text",
- org.thymeleaf.extras.eclipse.hover;uses:="org.thymeleaf.extras.eclipse.contentassist,org.eclipse.jface.text"
 Bundle-ClassPath: .,
  lib/apiguardian-api-1.1.0.jar,
  lib/attoparser-2.0.5.RELEASE.jar,
@@ -40,9 +29,9 @@ Bundle-ClassPath: .,
  lib/groovy-xml-4.0.15.jar,
  lib/jakarta.activation-1.2.2.jar,
  lib/jakarta.activation-api-1.2.2.jar,
+ lib/jakarta.annotation-api-2.1.1.jar,
+ lib/jakarta.inject-api-2.0.0.jar,
  lib/jakarta.xml.bind-api-2.3.3.jar,
- lib/javax.annotation-api-1.3.2.jar,
- lib/javax.inject-1.jar,
  lib/jaxb-impl-2.3.5.jar,
  lib/jaxb-utilities-3.0.0-SNAPSHOT.jar,
  lib/junit-jupiter-5.7.2.jar,
@@ -55,10 +44,10 @@ Bundle-ClassPath: .,
  lib/objenesis-3.2.jar,
  lib/opentest4j-1.2.0.jar,
  lib/slf4j-api-1.7.36.jar,
- lib/spring-aop-5.2.0.RELEASE.jar,
- lib/spring-beans-5.2.0.RELEASE.jar,
- lib/spring-context-5.2.0.RELEASE.jar,
- lib/spring-core-5.2.0.RELEASE.jar,
- lib/spring-expression-5.2.0.RELEASE.jar,
- lib/spring-jcl-5.2.0.RELEASE.jar,
- lib/spring-test-5.2.0.RELEASE.jar
+ lib/spring-aop-6.0.13.jar,
+ lib/spring-beans-6.0.13.jar,
+ lib/spring-context-6.0.13.jar,
+ lib/spring-core-6.0.13.jar,
+ lib/spring-expression-6.0.13.jar,
+ lib/spring-jcl-6.0.13.jar,
+ lib/spring-test-6.0.13.jar
diff --git a/org.thymeleaf.extras.eclipse.contentassist/build.properties b/org.thymeleaf.extras.eclipse.contentassist/build.properties
index c1b2acc..fd59ce2 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/build.properties
+++ b/org.thymeleaf.extras.eclipse.contentassist/build.properties
@@ -17,8 +17,6 @@ bin.includes = .,\
                lib/jakarta.activation-1.2.2.jar,\
                lib/jakarta.activation-api-1.2.2.jar,\
                lib/jakarta.xml.bind-api-2.3.3.jar,\
-               lib/javax.annotation-api-1.3.2.jar,\
-               lib/javax.inject-1.jar,\
                lib/jaxb-impl-2.3.5.jar,\
                lib/jaxb-utilities-3.0.0-SNAPSHOT.jar,\
                lib/junit-jupiter-5.7.2.jar,\
@@ -31,10 +29,12 @@ bin.includes = .,\
                lib/objenesis-3.2.jar,\
                lib/opentest4j-1.2.0.jar,\
                lib/slf4j-api-1.7.36.jar,\
-               lib/spring-aop-5.2.0.RELEASE.jar,\
-               lib/spring-beans-5.2.0.RELEASE.jar,\
-               lib/spring-context-5.2.0.RELEASE.jar,\
-               lib/spring-core-5.2.0.RELEASE.jar,\
-               lib/spring-expression-5.2.0.RELEASE.jar,\
-               lib/spring-jcl-5.2.0.RELEASE.jar,\
-               lib/spring-test-5.2.0.RELEASE.jar
+               lib/spring-aop-6.0.13.jar,\
+               lib/spring-beans-6.0.13.jar,\
+               lib/spring-context-6.0.13.jar,\
+               lib/spring-core-6.0.13.jar,\
+               lib/spring-expression-6.0.13.jar,\
+               lib/spring-jcl-6.0.13.jar,\
+               lib/spring-test-6.0.13.jar,\
+               lib/jakarta.inject-api-2.0.0.jar,\
+               lib/jakarta.annotation-api-2.1.1.jar
diff --git a/org.thymeleaf.extras.eclipse.contentassist/plugin.xml b/org.thymeleaf.extras.eclipse.contentassist/plugin.xml
index b639785..3b47c73 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/plugin.xml
+++ b/org.thymeleaf.extras.eclipse.contentassist/plugin.xml
@@ -3,7 +3,7 @@
 
 <plugin>
    <extension
-       id="org.thymeleaf.extras.eclipse.core.ThymeleafBuilder"
+       id="org.thymeleaf.extras.eclipse.contentassist.ThymeleafBuilder"
        name="Thymeleaf Validation Builder"
        point="org.eclipse.core.resources.builders">
       <builder>
@@ -25,7 +25,7 @@
          </run>
       </runtime>
       <builder
-          id="org.thymeleaf.extras.eclipse.core.ThymeleafBuilder">
+          id="org.thymeleaf.extras.eclipse.contentassist.ThymeleafBuilder">
       </builder>
    </extension>
    <extension
@@ -63,7 +63,7 @@
                      <not>
                         <test
                             property="org.eclipse.core.resources.projectNature"
-                            value="org.thymeleaf.extras.eclipse.core.ThymeleafNature">
+                            value="org.thymeleaf.extras.eclipse.contentassist.ThymeleafNature">
                         </test>
                      </not>
                   </adapt>
@@ -80,7 +80,7 @@
                   <adapt type="org.eclipse.core.resources.IProject">
                      <test
                          property="org.eclipse.core.resources.projectNature"
-                         value="org.thymeleaf.extras.eclipse.core.ThymeleafNature">
+                         value="org.thymeleaf.extras.eclipse.contentassist.ThymeleafNature">
                      </test>
                   </adapt>
                </iterate>
@@ -104,7 +104,7 @@
                         <test
                             forcePluginActivation="true"
                             property="org.eclipse.core.resources.projectNature"
-                            value="org.thymeleaf.extras.eclipse.core.ThymeleafNature">
+                            value="org.thymeleaf.extras.eclipse.contentassist.ThymeleafNature">
                         </test>
                      </not>
                   </adapt>
@@ -128,7 +128,7 @@
                      </test>
                      <test
                          property="org.eclipse.core.resources.projectNature"
-                         value="org.thymeleaf.extras.eclipse.core.ThymeleafNature">
+                         value="org.thymeleaf.extras.eclipse.contentassist.ThymeleafNature">
                      </test>
                   </adapt>
                </iterate>
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/ContentAssistConfig.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/ContentAssistConfig.groovy
index 163f400..5f1a740 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/ContentAssistConfig.groovy
+++ b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/ContentAssistConfig.groovy
@@ -18,10 +18,13 @@ package org.thymeleaf.extras.eclipse
 import org.eclipse.core.resources.IWorkspace
 import org.eclipse.core.resources.ResourcesPlugin
 import org.eclipse.jface.resource.ImageRegistry
+import org.eclipse.ui.PlatformUI
 import org.eclipse.ui.IWorkbench
 import org.springframework.context.annotation.Bean
 import org.springframework.context.annotation.ComponentScan
 import org.springframework.context.annotation.Configuration
+import org.thymeleaf.extras.eclipse.dialect.XmlDialectLoader
+import org.thymeleaf.extras.eclipse.dialect.cache.DialectCache
 
 /**
  * Spring configuration for the core part of the plugin.
@@ -39,7 +42,7 @@ class ContentAssistConfig {
 
 	@Bean
 	IWorkbench workbench() {
-		return ContentAssistPlugin.default.workbench
+		return PlatformUI.workbench
 	}
 
 	@Bean
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/ContentAssistContainer.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/ContentAssistContainer.groovy
deleted file mode 100644
index 9d11da9..0000000
--- a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/ContentAssistContainer.groovy
+++ /dev/null
@@ -1,32 +0,0 @@
-/* 
- * Copyright 2019, The Thymeleaf Project (http://www.thymeleaf.org/)
- * 
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *     http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thymeleaf.extras.eclipse
-
-import org.springframework.context.ConfigurableApplicationContext
-import org.springframework.context.annotation.AnnotationConfigApplicationContext
-
-/**
- * Spring IoC container for the content assist plugin.
- * 
- * @author Emanuel Rabina
- */
-@Singleton
-class ContentAssistContainer {
-
-	@Delegate
-	private final ConfigurableApplicationContext applicationContext = new AnnotationConfigApplicationContext(ContentAssistConfig)
-}
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/ContentAssistPlugin.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/ContentAssistPlugin.groovy
index 6636489..2fcf913 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/ContentAssistPlugin.groovy
+++ b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/ContentAssistPlugin.groovy
@@ -21,6 +21,8 @@ import org.eclipse.ui.plugin.AbstractUIPlugin
 import org.eclipse.wst.html.ui.internal.HTMLUIPlugin
 import org.eclipse.wst.html.ui.internal.preferences.HTMLUIPreferenceNames
 import org.osgi.framework.BundleContext
+import org.springframework.context.ApplicationContext
+import org.springframework.context.annotation.AnnotationConfigApplicationContext
 
 /**
  * Plugin activator class for the Thymeleaf content assist module.
@@ -39,6 +41,17 @@ class ContentAssistPlugin extends AbstractUIPlugin {
 
 	private static ContentAssistPlugin plugin
 
+	ApplicationContext applicationContext
+
+	/**
+	 * Shortcut to the {@code getBean} method of the underlying application
+	 * context.
+	 */
+	public <T> T getBean(Class<T> requiredType) {
+
+		return plugin.applicationContext.getBean(requiredType)
+	}
+
 	/**
 	 * Returns the shared instance of this plugin.
 	 * 
@@ -86,7 +99,7 @@ class ContentAssistPlugin extends AbstractUIPlugin {
 			})
 		}
 
-		ContentAssistContainer.instance
+		applicationContext = new AnnotationConfigApplicationContext(ContentAssistConfig)
 	}
 
 	@Override
@@ -94,6 +107,5 @@ class ContentAssistPlugin extends AbstractUIPlugin {
 
 		plugin = null
 		super.stop(context)
-		ContentAssistContainer.instance.close()
 	}
 }
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/autocomplete/CompletionProposalComputer.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/autocomplete/CompletionProposalComputer.groovy
index 1ef1b34..0384fb2 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/autocomplete/CompletionProposalComputer.groovy
+++ b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/autocomplete/CompletionProposalComputer.groovy
@@ -19,7 +19,7 @@ package org.thymeleaf.extras.eclipse.autocomplete
 import org.eclipse.core.runtime.IProgressMonitor
 import org.eclipse.wst.sse.ui.contentassist.CompletionProposalInvocationContext
 import org.eclipse.wst.sse.ui.contentassist.ICompletionProposalComputer
-import org.thymeleaf.extras.eclipse.ContentAssistContainer
+import org.thymeleaf.extras.eclipse.ContentAssistPlugin
 import org.thymeleaf.extras.eclipse.autocomplete.generators.ProposalGenerator
 import org.thymeleaf.extras.eclipse.autocomplete.generators.AttributeProcessorProposalGenerator
 import org.thymeleaf.extras.eclipse.autocomplete.generators.AttributeRestrictionProposalGenerator
@@ -46,10 +46,10 @@ class CompletionProposalComputer implements ICompletionProposalComputer {
 	CompletionProposalComputer() {
 
 		this(
-			ContentAssistContainer.instance.getBean(ElementProcessorProposalGenerator),
-			ContentAssistContainer.instance.getBean(AttributeProcessorProposalGenerator),
-			ContentAssistContainer.instance.getBean(AttributeRestrictionProposalGenerator),
-			ContentAssistContainer.instance.getBean(ExpressionObjectProposalGenerator)
+			ContentAssistPlugin.default.getBean(ElementProcessorProposalGenerator),
+			ContentAssistPlugin.default.getBean(AttributeProcessorProposalGenerator),
+			ContentAssistPlugin.default.getBean(AttributeRestrictionProposalGenerator),
+			ContentAssistPlugin.default.getBean(ExpressionObjectProposalGenerator)
 		)
 	}
 
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/autocomplete/generators/AttributeProcessorProposalGenerator.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/autocomplete/generators/AttributeProcessorProposalGenerator.groovy
index d58b91c..29487b9 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/autocomplete/generators/AttributeProcessorProposalGenerator.groovy
+++ b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/autocomplete/generators/AttributeProcessorProposalGenerator.groovy
@@ -27,8 +27,8 @@ import org.thymeleaf.extras.eclipse.wrappers.JavaProjectLocator
 import org.w3c.dom.NamedNodeMap
 import org.w3c.dom.Node
 
-import javax.inject.Inject
-import javax.inject.Named
+import jakarta.inject.Inject
+import jakarta.inject.Named
 
 /**
  * Proposal generator for Thymeleaf attribute processors.
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/autocomplete/generators/AttributeRestrictionProposalGenerator.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/autocomplete/generators/AttributeRestrictionProposalGenerator.groovy
index 8e0c56b..d0cf56f 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/autocomplete/generators/AttributeRestrictionProposalGenerator.groovy
+++ b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/autocomplete/generators/AttributeRestrictionProposalGenerator.groovy
@@ -25,8 +25,8 @@ import org.thymeleaf.extras.eclipse.autocomplete.proposals.AttributeRestrictionC
 import org.thymeleaf.extras.eclipse.dialect.cache.DialectCache
 import org.w3c.dom.Node
 
-import javax.inject.Inject
-import javax.inject.Named
+import jakarta.inject.Inject
+import jakarta.inject.Named
 
 /**
  * Proposal generator for Thymeleaf attribute restrictions.
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/autocomplete/generators/ElementProcessorProposalGenerator.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/autocomplete/generators/ElementProcessorProposalGenerator.groovy
index 1420b6b..8589afa 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/autocomplete/generators/ElementProcessorProposalGenerator.groovy
+++ b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/autocomplete/generators/ElementProcessorProposalGenerator.groovy
@@ -26,8 +26,8 @@ import org.thymeleaf.extras.eclipse.autocomplete.proposals.ElementProcessorCompl
 import org.thymeleaf.extras.eclipse.dialect.cache.DialectCache
 import org.w3c.dom.Node
 
-import javax.inject.Inject
-import javax.inject.Named
+import jakarta.inject.Inject
+import jakarta.inject.Named
 
 /**
  * Proposal generator for Thymeleaf element processors.
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/autocomplete/generators/ExpressionObjectProposalGenerator.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/autocomplete/generators/ExpressionObjectProposalGenerator.groovy
index e745627..1939814 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/autocomplete/generators/ExpressionObjectProposalGenerator.groovy
+++ b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/autocomplete/generators/ExpressionObjectProposalGenerator.groovy
@@ -25,8 +25,8 @@ import org.thymeleaf.extras.eclipse.autocomplete.proposals.ExpressionObjectMetho
 import org.thymeleaf.extras.eclipse.dialect.cache.DialectCache
 import org.w3c.dom.Node
 
-import javax.inject.Inject
-import javax.inject.Named
+import jakarta.inject.Inject
+import jakarta.inject.Named
 
 /**
  * Proposal generator for Thymeleaf expression objects.
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/builder/ThymeleafBuilder.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/builder/ThymeleafBuilder.groovy
index f04278a..5ccf56b 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/builder/ThymeleafBuilder.groovy
+++ b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/builder/ThymeleafBuilder.groovy
@@ -27,7 +27,7 @@ import org.eclipse.jdt.core.IJavaProject
 import org.eclipse.jdt.core.JavaCore
 import org.slf4j.Logger
 import org.slf4j.LoggerFactory
-import org.thymeleaf.extras.eclipse.ContentAssistContainer
+import org.thymeleaf.extras.eclipse.ContentAssistPlugin
 import org.thymeleaf.extras.eclipse.dialect.cache.DialectCache
 import static org.eclipse.core.resources.IResource.*
 
@@ -50,7 +50,7 @@ class ThymeleafBuilder extends IncrementalProjectBuilder {
 
 	private static final Logger logger = LoggerFactory.getLogger(ThymeleafBuilder)
 
-	private final DialectCache dialectCache = ContentAssistContainer.instance.getBean(DialectCache)
+	private final DialectCache dialectCache = ContentAssistPlugin.default.getBean(DialectCache)
 
 	/**
 	 * Remove HTML validation messages that refer to unknown attributes, when
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/SingleFileDialectLocator.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/SingleFileDialectLocator.groovy
index 1dc7afc..bf837a3 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/SingleFileDialectLocator.groovy
+++ b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/SingleFileDialectLocator.groovy
@@ -20,7 +20,7 @@ import org.eclipse.core.resources.IWorkspace
 import org.eclipse.core.runtime.IPath
 
 import groovy.transform.TupleConstructor
-import javax.inject.Inject
+import jakarta.inject.Inject
 
 /**
  * A dialect locator target at a single, already-known, dialect file.
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/XmlDialectLoader.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/XmlDialectLoader.groovy
index e8fb27c..0db9eb4 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/XmlDialectLoader.groovy
+++ b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/XmlDialectLoader.groovy
@@ -21,7 +21,7 @@ import nz.net.ultraq.jaxb.XmlReader
 import org.thymeleaf.extras.eclipse.dialect.xml.Dialect
 import org.thymeleaf.extras.eclipse.resources.ResourceLoader
 
-import javax.inject.Named
+import jakarta.inject.Named
 
 /**
  * Loads dialect help/documentation XML files from those returned by a
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/cache/DialectCache.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/cache/DialectCache.groovy
index 97d5de2..3e705c3 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/cache/DialectCache.groovy
+++ b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/cache/DialectCache.groovy
@@ -28,10 +28,10 @@ import org.thymeleaf.extras.eclipse.dialect.xml.ExpressionObjectMethod
 import org.thymeleaf.extras.eclipse.dialect.xml.Processor
 import static org.eclipse.core.resources.IResourceChangeEvent.*
 
-import javax.annotation.PostConstruct
-import javax.annotation.PreDestroy
-import javax.inject.Inject
-import javax.inject.Named
+import jakarta.annotation.PostConstruct
+import jakarta.annotation.PreDestroy
+import jakarta.inject.Inject
+import jakarta.inject.Named
 import javax.xml.namespace.QName
 
 /**
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/cache/DialectChangeListener.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/cache/DialectChangeListener.groovy
index e6ca645..f5051f0 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/cache/DialectChangeListener.groovy
+++ b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/cache/DialectChangeListener.groovy
@@ -28,12 +28,12 @@ import org.thymeleaf.extras.eclipse.dialect.SingleFileDialectLocator
 import org.thymeleaf.extras.eclipse.dialect.XmlDialectLoader
 import static org.eclipse.core.resources.IResourceChangeEvent.*
 
+import jakarta.annotation.PreDestroy
+import jakarta.inject.Inject
+import jakarta.inject.Named
 import java.util.concurrent.ConcurrentHashMap
 import java.util.concurrent.ExecutorService
 import java.util.concurrent.Executors
-import javax.annotation.PreDestroy
-import javax.inject.Inject
-import javax.inject.Named
 
 /**
  * A resource change listener, acting on changes made to any dialect files,
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/cache/DialectItemProcessor.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/cache/DialectItemProcessor.groovy
index bd0fb16..78a575e 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/cache/DialectItemProcessor.groovy
+++ b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/cache/DialectItemProcessor.groovy
@@ -21,7 +21,8 @@ import org.eclipse.jdt.core.IJavaProject
 import org.eclipse.jdt.ui.JavadocContentAccess
 import org.thymeleaf.extras.eclipse.dialect.xml.*
 
-import javax.inject.Named 
+import jakarta.inject.Named 
+
 /**
  * Creates a content-assist ready dialect item from a dialect file definition.
  * 
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/cache/DialectTree.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/cache/DialectTree.groovy
index da6797e..3cb9202 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/cache/DialectTree.groovy
+++ b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/dialect/cache/DialectTree.groovy
@@ -23,7 +23,7 @@ import org.thymeleaf.extras.eclipse.dialect.xml.DialectItem
 import org.thymeleaf.extras.eclipse.dialect.xml.ElementProcessor
 import org.thymeleaf.extras.eclipse.dialect.xml.ExpressionObjectMethod
 
-import javax.inject.Named
+import jakarta.inject.Named
 
 /**
  * Representation of all of the projects which contain dialect files found in
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/hover/InfoHoverComputer.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/hover/InfoHoverComputer.groovy
index 44ae0d0..f8cf3fc 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/hover/InfoHoverComputer.groovy
+++ b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/hover/InfoHoverComputer.groovy
@@ -26,7 +26,7 @@ import org.eclipse.jface.text.ITextViewer
 import org.eclipse.swt.widgets.Shell
 import org.eclipse.ui.IWorkbench
 import org.eclipse.wst.sse.ui.internal.derived.HTMLTextPresenter
-import org.thymeleaf.extras.eclipse.ContentAssistContainer
+import org.thymeleaf.extras.eclipse.ContentAssistPlugin
 import org.thymeleaf.extras.eclipse.dialect.cache.DialectCache
 
 /**
@@ -47,7 +47,7 @@ class InfoHoverComputer implements ITextHover, ITextHoverExtension {
 	 */
 	InfoHoverComputer() {
 
-		this(ContentAssistContainer.instance.getBean(DialectCache), ContentAssistContainer.instance.getBean(IWorkbench))
+		this(ContentAssistPlugin.default.getBean(DialectCache), ContentAssistPlugin.default.getBean(IWorkbench))
 	}
 
 	/**
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/nature/ThymeleafNature.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/nature/ThymeleafNature.groovy
index 65577b0..176a09a 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/nature/ThymeleafNature.groovy
+++ b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/nature/ThymeleafNature.groovy
@@ -16,9 +16,9 @@
 
 package org.thymeleaf.extras.eclipse.nature
 
-
 import org.eclipse.core.resources.IProject
-import org.eclipse.core.resources.IProjectNature 
+import org.eclipse.core.resources.IProjectNature
+
 /**
  * Configures a project that has been given the Thymeleaf nature.
  * 
@@ -26,8 +26,8 @@ import org.eclipse.core.resources.IProjectNature
  */
 class ThymeleafNature implements IProjectNature {
 
-	static final String THYMELEAF_NATURE_ID  = 'org.thymeleaf.extras.eclipse.core.ThymeleafNature'
-	static final String THYMELEAF_BUILDER_ID = 'org.thymeleaf.extras.eclipse.core.ThymeleafBuilder'
+	static final String THYMELEAF_NATURE_ID  = 'org.thymeleaf.extras.eclipse.contentassist.ThymeleafNature'
+	static final String THYMELEAF_BUILDER_ID = 'org.thymeleaf.extras.eclipse.contentassist.ThymeleafBuilder'
 
 	IProject project
 
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/resources/ResourceTree.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/resources/ResourceTree.groovy
index b4c20dc..7adfbcc 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/resources/ResourceTree.groovy
+++ b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/resources/ResourceTree.groovy
@@ -16,10 +16,11 @@
 
 package org.thymeleaf.extras.eclipse.resources
 
-import javax.inject.Named
 import org.eclipse.core.runtime.IPath
 import org.eclipse.jdt.core.IJavaProject
 
+import jakarta.inject.Named
+
 /**
  * Generic representation of resources in a developer's workspace, divided-up by
  * projects.
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/template/TemplateLoader.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/template/TemplateLoader.groovy
index 92fcad5..835b626 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/template/TemplateLoader.groovy
+++ b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/template/TemplateLoader.groovy
@@ -21,7 +21,8 @@ import org.attoparser.dom.DOMMarkupParser
 import org.thymeleaf.extras.eclipse.resources.ResourceLoader
 import org.thymeleaf.extras.eclipse.template.model.Template
 
-import javax.inject.Named 
+import jakarta.inject.Named
+
 /**
  * Creates template metadata for any templates picked out by a template locator.
  * 
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/template/cache/TemplateCache.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/template/cache/TemplateCache.groovy
index 37aa20c..3e13f20 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/template/cache/TemplateCache.groovy
+++ b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/template/cache/TemplateCache.groovy
@@ -16,8 +16,6 @@
 
 package org.thymeleaf.extras.eclipse.template.cache
 
-import javax.inject.Inject
-import javax.inject.Named
 import org.eclipse.jdt.core.IJavaProject
 import org.thymeleaf.extras.eclipse.resources.ResourceTree
 import org.thymeleaf.extras.eclipse.template.ProjectTemplateLocator
@@ -25,6 +23,9 @@ import org.thymeleaf.extras.eclipse.template.TemplateLoader
 import org.thymeleaf.extras.eclipse.template.model.Fragment
 import org.thymeleaf.extras.eclipse.template.model.Template
 
+import jakarta.inject.Inject
+import jakarta.inject.Named
+
 /**
  * A basic in-memory store of all known template fragments per project.
  * 
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/wrappers/JavaProjectLocator.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/wrappers/JavaProjectLocator.groovy
index c0d4955..03e1485 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/wrappers/JavaProjectLocator.groovy
+++ b/org.thymeleaf.extras.eclipse.contentassist/src/main/groovy/org/thymeleaf/extras/eclipse/wrappers/JavaProjectLocator.groovy
@@ -20,8 +20,8 @@ import org.eclipse.jdt.core.IJavaProject
 import org.eclipse.jdt.core.JavaCore
 import org.eclipse.ui.IWorkbench
 
-import javax.inject.Inject
-import javax.inject.Named
+import jakarta.inject.Inject
+import jakarta.inject.Named
 
 /**
  * A basic wrapper around Eclipse's static methods to get the Java project for
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/test/groovy/org/thymeleaf/extras/eclipse/autocomplete/CompletionProposalComputerTests.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/test/groovy/org/thymeleaf/extras/eclipse/autocomplete/CompletionProposalComputerTests.groovy
index 02c9e14..37a83fd 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/src/test/groovy/org/thymeleaf/extras/eclipse/autocomplete/CompletionProposalComputerTests.groovy
+++ b/org.thymeleaf.extras.eclipse.contentassist/src/test/groovy/org/thymeleaf/extras/eclipse/autocomplete/CompletionProposalComputerTests.groovy
@@ -30,7 +30,7 @@ import org.thymeleaf.extras.eclipse.autocomplete.generators.ExpressionObjectProp
 import static org.junit.jupiter.api.Assertions.*
 import static org.mockito.Mockito.*
 
-import javax.inject.Inject
+import jakarta.inject.Inject
 
 /**
  * Tests for the {@link CompletionProposalComputer}, which aggregates
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/test/groovy/org/thymeleaf/extras/eclipse/autocomplete/generators/AttributeProcessorProposalGeneratorTests.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/test/groovy/org/thymeleaf/extras/eclipse/autocomplete/generators/AttributeProcessorProposalGeneratorTests.groovy
index 1cd214c..54bf122 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/src/test/groovy/org/thymeleaf/extras/eclipse/autocomplete/generators/AttributeProcessorProposalGeneratorTests.groovy
+++ b/org.thymeleaf.extras.eclipse.contentassist/src/test/groovy/org/thymeleaf/extras/eclipse/autocomplete/generators/AttributeProcessorProposalGeneratorTests.groovy
@@ -37,7 +37,7 @@ import static org.junit.jupiter.api.Assertions.*
 import static org.mockito.Mockito.*
 
 import groovy.xml.DOMBuilder
-import javax.inject.Inject
+import jakarta.inject.Inject
 
 /**
  * Tests for the {@link AttributeProcessorProposalGenerator}, which comes up
diff --git a/org.thymeleaf.extras.eclipse.contentassist/src/test/groovy/org/thymeleaf/extras/eclipse/dialect/cache/DialectCacheTests.groovy b/org.thymeleaf.extras.eclipse.contentassist/src/test/groovy/org/thymeleaf/extras/eclipse/dialect/cache/DialectCacheTests.groovy
index 62a9e25..b640fc3 100644
--- a/org.thymeleaf.extras.eclipse.contentassist/src/test/groovy/org/thymeleaf/extras/eclipse/dialect/cache/DialectCacheTests.groovy
+++ b/org.thymeleaf.extras.eclipse.contentassist/src/test/groovy/org/thymeleaf/extras/eclipse/dialect/cache/DialectCacheTests.groovy
@@ -23,7 +23,7 @@ import org.thymeleaf.extras.eclipse.TestContentAssistConfig
 import static org.junit.jupiter.api.Assertions.*
 import static org.mockito.Mockito.*
 
-import javax.inject.Inject
+import jakarta.inject.Inject
 
 /**
  * Tests for the {@link DialectCache} class which is a store of dialect