diff --git a/org.eclipse.xtext.tests/testdata/wizard-expectations/mavenTycho/mavenTycho.parent/mavenTycho.web/pom.xml b/org.eclipse.xtext.tests/testdata/wizard-expectations/mavenTycho/mavenTycho.parent/mavenTycho.web/pom.xml
index 28874d64676..5ed877890f6 100644
--- a/org.eclipse.xtext.tests/testdata/wizard-expectations/mavenTycho/mavenTycho.parent/mavenTycho.web/pom.xml
+++ b/org.eclipse.xtext.tests/testdata/wizard-expectations/mavenTycho/mavenTycho.parent/mavenTycho.web/pom.xml
@@ -27,7 +27,7 @@
 			</plugin>
 			<plugin>
 				<artifactId>maven-war-plugin</artifactId>
-				<version>3.3.2</version>
+				<version>3.4.0</version>
 				<configuration>
 					<warSourceDirectory>WebRoot</warSourceDirectory>
 					<failOnMissingWebXml>false</failOnMissingWebXml>
diff --git a/org.eclipse.xtext.tests/testdata/wizard-expectations/mavenTychoJUnit5/mavenTychoJUnit5.parent/mavenTychoJUnit5.web/pom.xml b/org.eclipse.xtext.tests/testdata/wizard-expectations/mavenTychoJUnit5/mavenTychoJUnit5.parent/mavenTychoJUnit5.web/pom.xml
index 294ff03aa8f..bbc61ffb453 100644
--- a/org.eclipse.xtext.tests/testdata/wizard-expectations/mavenTychoJUnit5/mavenTychoJUnit5.parent/mavenTychoJUnit5.web/pom.xml
+++ b/org.eclipse.xtext.tests/testdata/wizard-expectations/mavenTychoJUnit5/mavenTychoJUnit5.parent/mavenTychoJUnit5.web/pom.xml
@@ -27,7 +27,7 @@
 			</plugin>
 			<plugin>
 				<artifactId>maven-war-plugin</artifactId>
-				<version>3.3.2</version>
+				<version>3.4.0</version>
 				<configuration>
 					<warSourceDirectory>WebRoot</warSourceDirectory>
 					<failOnMissingWebXml>false</failOnMissingWebXml>
diff --git a/org.eclipse.xtext.tests/testdata/wizard-expectations/mavenTychoP2/mavenTychoP2.parent/mavenTychoP2.web/pom.xml b/org.eclipse.xtext.tests/testdata/wizard-expectations/mavenTychoP2/mavenTychoP2.parent/mavenTychoP2.web/pom.xml
index 0758b028844..9daacd2a859 100644
--- a/org.eclipse.xtext.tests/testdata/wizard-expectations/mavenTychoP2/mavenTychoP2.parent/mavenTychoP2.web/pom.xml
+++ b/org.eclipse.xtext.tests/testdata/wizard-expectations/mavenTychoP2/mavenTychoP2.parent/mavenTychoP2.web/pom.xml
@@ -27,7 +27,7 @@
 			</plugin>
 			<plugin>
 				<artifactId>maven-war-plugin</artifactId>
-				<version>3.3.2</version>
+				<version>3.4.0</version>
 				<configuration>
 					<warSourceDirectory>WebRoot</warSourceDirectory>
 					<failOnMissingWebXml>false</failOnMissingWebXml>
diff --git a/org.eclipse.xtext.tests/testdata/wizard-expectations/mavenTychoP2J21/mavenTychoP2J21.parent/mavenTychoP2J21.web/pom.xml b/org.eclipse.xtext.tests/testdata/wizard-expectations/mavenTychoP2J21/mavenTychoP2J21.parent/mavenTychoP2J21.web/pom.xml
index bb0100bbc49..4eba33b516b 100644
--- a/org.eclipse.xtext.tests/testdata/wizard-expectations/mavenTychoP2J21/mavenTychoP2J21.parent/mavenTychoP2J21.web/pom.xml
+++ b/org.eclipse.xtext.tests/testdata/wizard-expectations/mavenTychoP2J21/mavenTychoP2J21.parent/mavenTychoP2J21.web/pom.xml
@@ -27,7 +27,7 @@
 			</plugin>
 			<plugin>
 				<artifactId>maven-war-plugin</artifactId>
-				<version>3.3.2</version>
+				<version>3.4.0</version>
 				<configuration>
 					<warSourceDirectory>WebRoot</warSourceDirectory>
 					<failOnMissingWebXml>false</failOnMissingWebXml>
diff --git a/org.eclipse.xtext.tests/testdata/wizard-expectations/plainMaven/plainMaven.parent/plainMaven.web/pom.xml b/org.eclipse.xtext.tests/testdata/wizard-expectations/plainMaven/plainMaven.parent/plainMaven.web/pom.xml
index 04c83ed9b83..4725de7ec51 100644
--- a/org.eclipse.xtext.tests/testdata/wizard-expectations/plainMaven/plainMaven.parent/plainMaven.web/pom.xml
+++ b/org.eclipse.xtext.tests/testdata/wizard-expectations/plainMaven/plainMaven.parent/plainMaven.web/pom.xml
@@ -17,7 +17,7 @@
 			</plugin>
 			<plugin>
 				<artifactId>maven-war-plugin</artifactId>
-				<version>3.3.2</version>
+				<version>3.4.0</version>
 				<configuration>
 					<warSourceDirectory>src/main/webapp</warSourceDirectory>
 					<failOnMissingWebXml>false</failOnMissingWebXml>
diff --git a/org.eclipse.xtext.web.example.jetty/pom.xml b/org.eclipse.xtext.web.example.jetty/pom.xml
index 4253448916f..da177765996 100644
--- a/org.eclipse.xtext.web.example.jetty/pom.xml
+++ b/org.eclipse.xtext.web.example.jetty/pom.xml
@@ -88,7 +88,7 @@
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-war-plugin</artifactId>
-					<version>3.3.2</version>
+					<version>3.4.0</version>
 				</plugin>
 				<plugin>
 					<groupId>org.codehaus.mojo</groupId>
diff --git a/org.eclipse.xtext.xtext.wizard/src/org/eclipse/xtext/xtext/wizard/WebProjectDescriptor.xtend b/org.eclipse.xtext.xtext.wizard/src/org/eclipse/xtext/xtext/wizard/WebProjectDescriptor.xtend
index 215e10ff2c9..0569eea99fc 100644
--- a/org.eclipse.xtext.xtext.wizard/src/org/eclipse/xtext/xtext/wizard/WebProjectDescriptor.xtend
+++ b/org.eclipse.xtext.xtext.wizard/src/org/eclipse/xtext/xtext/wizard/WebProjectDescriptor.xtend
@@ -102,7 +102,7 @@ class WebProjectDescriptor extends ProjectDescriptor {
 						</plugin>
 						<plugin>
 							<artifactId>maven-war-plugin</artifactId>
-							<version>3.3.2</version>
+							<version>3.4.0</version>
 							<configuration>
 								<warSourceDirectory>«Outlet.WEBAPP.sourceFolder»</warSourceDirectory>
 								<failOnMissingWebXml>false</failOnMissingWebXml>
diff --git a/org.eclipse.xtext.xtext.wizard/xtend-gen/org/eclipse/xtext/xtext/wizard/WebProjectDescriptor.java b/org.eclipse.xtext.xtext.wizard/xtend-gen/org/eclipse/xtext/xtext/wizard/WebProjectDescriptor.java
index ca8862ada2f..f17a14c7f17 100644
--- a/org.eclipse.xtext.xtext.wizard/xtend-gen/org/eclipse/xtext/xtext/wizard/WebProjectDescriptor.java
+++ b/org.eclipse.xtext.xtext.wizard/xtend-gen/org/eclipse/xtext/xtext/wizard/WebProjectDescriptor.java
@@ -215,7 +215,7 @@ public PomFile pom() {
       _builder.append("<artifactId>maven-war-plugin</artifactId>");
       _builder.newLine();
       _builder.append("\t\t\t");
-      _builder.append("<version>3.3.2</version>");
+      _builder.append("<version>3.4.0</version>");
       _builder.newLine();
       _builder.append("\t\t\t");
       _builder.append("<configuration>");