diff --git a/bundles/org.eclipse.core.tools/src/org/eclipse/core/tools/nls/MessageBundleRefactoring.java b/bundles/org.eclipse.core.tools/src/org/eclipse/core/tools/nls/MessageBundleRefactoring.java
index 8a24c95..e3da74e 100644
--- a/bundles/org.eclipse.core.tools/src/org/eclipse/core/tools/nls/MessageBundleRefactoring.java
+++ b/bundles/org.eclipse.core.tools/src/org/eclipse/core/tools/nls/MessageBundleRefactoring.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2005, 2019 IBM Corporation and others.
+ * Copyright (c) 2005, 2020 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
@@ -97,7 +97,7 @@
 
 	private void processCompilationUnit(RefactoringStatus result, ICompilationUnit unit, IProgressMonitor monitor) throws CoreException {
 		monitor.beginTask("", 2);
-		CompilationUnit root = new RefactoringASTParser(AST.JLS13).parse(unit, true,
+		CompilationUnit root = new RefactoringASTParser(AST.JLS14).parse(unit, true,
 				new SubProgressMonitor(monitor, 1));
 		ASTRewrite rewriter = ASTRewrite.create(root.getAST());
 
@@ -184,7 +184,7 @@
 	}
 
 	private ITypeBinding computeAccessorClassBinding(IProgressMonitor monitor) {
-		ASTParser parser = ASTParser.newParser(AST.JLS13);
+		ASTParser parser = ASTParser.newParser(AST.JLS14);
 		parser.setProject(fAccessorClass.getJavaProject());
 		return (ITypeBinding) parser.createBindings(new IJavaElement[] {fAccessorClass}, monitor)[0];
 	}
diff --git a/bundles/org.eclipse.core.tools/src/org/eclipse/core/tools/nls/RemoveUnusedMessages.java b/bundles/org.eclipse.core.tools/src/org/eclipse/core/tools/nls/RemoveUnusedMessages.java
index ef2e08a..98b28af 100644
--- a/bundles/org.eclipse.core.tools/src/org/eclipse/core/tools/nls/RemoveUnusedMessages.java
+++ b/bundles/org.eclipse.core.tools/src/org/eclipse/core/tools/nls/RemoveUnusedMessages.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2005, 2019 IBM Corporation and others.
+ * Copyright (c) 2005, 2020 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
@@ -64,7 +64,7 @@
 		change = new CompositeChange("Accessor Class Changes");
 		RefactoringStatus result = new RefactoringStatus();
 		ICompilationUnit unit = JavaCore.createCompilationUnitFrom((IFile) accessorClass.getResource());
-		CompilationUnit root = new RefactoringASTParser(AST.JLS13).parse(unit, true, null);
+		CompilationUnit root = new RefactoringASTParser(AST.JLS14).parse(unit, true, null);
 		ASTRewrite rewriter = ASTRewrite.create(root.getAST());
 
 		// Search for references
diff --git a/bundles/org.eclipse.core.tools/src/org/eclipse/core/tools/search/FindUnusedMembers.java b/bundles/org.eclipse.core.tools/src/org/eclipse/core/tools/search/FindUnusedMembers.java
index 203266f..cb9b008 100644
--- a/bundles/org.eclipse.core.tools/src/org/eclipse/core/tools/search/FindUnusedMembers.java
+++ b/bundles/org.eclipse.core.tools/src/org/eclipse/core/tools/search/FindUnusedMembers.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2005, 2019 IBM Corporation and others.
+ * Copyright (c) 2005, 2020 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
@@ -104,7 +104,7 @@
 		IType[] allTypes = cu.getAllTypes();
 		SubMonitor subMonitor = SubMonitor.convert(monitor, "Processing " + cu.getElementName(), allTypes.length + 1); //$NON-NLS-1$
 
-		ASTParser astParser = ASTParser.newParser(AST.JLS13);
+		ASTParser astParser = ASTParser.newParser(AST.JLS14);
 		astParser.setResolveBindings(true);
 		astParser.setProject(cu.getJavaProject());