diff --git a/org.emoflon.jar.build/.classpath b/org.emoflon.jar.build/.classpath
index 1d829a7..b6ada08 100644
--- a/org.emoflon.jar.build/.classpath
+++ b/org.emoflon.jar.build/.classpath
@@ -1,7 +1,7 @@
-
-
-
-
-
-
-
+
+
+
+
+
+
+
diff --git a/org.emoflon.jar.build/.settings/org.eclipse.jdt.core.prefs b/org.emoflon.jar.build/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 0000000..609efbf
--- /dev/null
+++ b/org.emoflon.jar.build/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,9 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
+org.eclipse.jdt.core.compiler.compliance=17
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=17
diff --git a/org.emoflon.jar.build/META-INF/MANIFEST.MF b/org.emoflon.jar.build/META-INF/MANIFEST.MF
index 9a1cbc5..52ee699 100644
--- a/org.emoflon.jar.build/META-INF/MANIFEST.MF
+++ b/org.emoflon.jar.build/META-INF/MANIFEST.MF
@@ -9,3 +9,4 @@ Require-Bundle: org.eclipse.emf.ecore,
org.eclipse.jdt.ui,
org.eclipse.equinox.registry,
org.eclipse.debug.core
+Bundle-RequiredExecutionEnvironment: JavaSE-17
diff --git a/org.emoflon.site.build/.classpath b/org.emoflon.site.build/.classpath
index 4d23c29..b6ada08 100644
--- a/org.emoflon.site.build/.classpath
+++ b/org.emoflon.site.build/.classpath
@@ -1,7 +1,7 @@
-
-
-
-
-
-
-
+
+
+
+
+
+
+
diff --git a/org.emoflon.site.build/.settings/org.eclipse.jdt.core.prefs b/org.emoflon.site.build/.settings/org.eclipse.jdt.core.prefs
index a408b60..62ef348 100644
--- a/org.emoflon.site.build/.settings/org.eclipse.jdt.core.prefs
+++ b/org.emoflon.site.build/.settings/org.eclipse.jdt.core.prefs
@@ -1,9 +1,9 @@
eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=16
-org.eclipse.jdt.core.compiler.compliance=16
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
+org.eclipse.jdt.core.compiler.compliance=17
org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
org.eclipse.jdt.core.compiler.release=enabled
-org.eclipse.jdt.core.compiler.source=16
+org.eclipse.jdt.core.compiler.source=17
diff --git a/org.emoflon.site.build/META-INF/MANIFEST.MF b/org.emoflon.site.build/META-INF/MANIFEST.MF
index 3965f18..0528ec4 100644
--- a/org.emoflon.site.build/META-INF/MANIFEST.MF
+++ b/org.emoflon.site.build/META-INF/MANIFEST.MF
@@ -12,3 +12,4 @@ Require-Bundle: org.eclipse.core.runtime,
org.eclipse.equinox.launcher;bundle-version="1.6.400"
Export-Package: org.emoflon.sitexml
Bundle-ActivationPolicy: lazy
+Bundle-RequiredExecutionEnvironment: JavaSE-17