diff --git a/bundles/org.eclipse.team.core/.classpath b/bundles/org.eclipse.team.core/.classpath
index 22f3064..e801ebf 100644
--- a/bundles/org.eclipse.team.core/.classpath
+++ b/bundles/org.eclipse.team.core/.classpath
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/bundles/org.eclipse.team.core/.settings/org.eclipse.jdt.core.prefs b/bundles/org.eclipse.team.core/.settings/org.eclipse.jdt.core.prefs
index 9f6ef36..88ac352 100644
--- a/bundles/org.eclipse.team.core/.settings/org.eclipse.jdt.core.prefs
+++ b/bundles/org.eclipse.team.core/.settings/org.eclipse.jdt.core.prefs
@@ -18,9 +18,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -36,6 +36,7 @@
 org.eclipse.jdt.core.compiler.problem.deprecationWhenOverridingDeprecatedMethod=disabled
 org.eclipse.jdt.core.compiler.problem.discouragedReference=warning
 org.eclipse.jdt.core.compiler.problem.emptyStatement=ignore
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.explicitlyClosedAutoCloseable=ignore
 org.eclipse.jdt.core.compiler.problem.fallthroughCase=ignore
@@ -92,6 +93,7 @@
 org.eclipse.jdt.core.compiler.problem.redundantSuperinterface=ignore
 org.eclipse.jdt.core.compiler.problem.reportMethodCanBePotentiallyStatic=ignore
 org.eclipse.jdt.core.compiler.problem.reportMethodCanBeStatic=ignore
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
 org.eclipse.jdt.core.compiler.problem.specialParameterHidingField=disabled
 org.eclipse.jdt.core.compiler.problem.staticAccessReceiver=error
 org.eclipse.jdt.core.compiler.problem.suppressOptionalErrors=disabled
@@ -127,7 +129,8 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.compiler.taskCaseSensitive=enabled
 org.eclipse.jdt.core.compiler.taskPriorities=NORMAL,HIGH,NORMAL
 org.eclipse.jdt.core.compiler.taskTags=TODO,FIXME,XXX
diff --git a/bundles/org.eclipse.team.core/META-INF/MANIFEST.MF b/bundles/org.eclipse.team.core/META-INF/MANIFEST.MF
index 7eb68c2..ca309c2 100644
--- a/bundles/org.eclipse.team.core/META-INF/MANIFEST.MF
+++ b/bundles/org.eclipse.team.core/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.team.core; singleton:=true
-Bundle-Version: 3.8.1200.qualifier
+Bundle-Version: 3.9.0.qualifier
 Bundle-Activator: org.eclipse.team.internal.core.TeamPlugin
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
@@ -28,5 +28,5 @@
  org.eclipse.core.filesystem;bundle-version="[1.1.0,2.0.0)",
  org.eclipse.compare.core;bundle-version="[3.5.200,4.0.0)"
 Bundle-ActivationPolicy: lazy
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Automatic-Module-Name: org.eclipse.team.core
diff --git a/bundles/org.eclipse.team.core/pom.xml b/bundles/org.eclipse.team.core/pom.xml
index c977888..ae74f46 100644
--- a/bundles/org.eclipse.team.core/pom.xml
+++ b/bundles/org.eclipse.team.core/pom.xml
@@ -19,6 +19,6 @@
   </parent>
   <groupId>org.eclipse.team</groupId>
   <artifactId>org.eclipse.team.core</artifactId>
-  <version>3.8.1200-SNAPSHOT</version>
+  <version>3.9.0-SNAPSHOT</version>
   <packaging>eclipse-plugin</packaging>
 </project>