diff --git a/headless-services/spring-boot-language-server/src/main/java/org/springframework/ide/vscode/boot/java/utils/CompilationUnitCache.java b/headless-services/spring-boot-language-server/src/main/java/org/springframework/ide/vscode/boot/java/utils/CompilationUnitCache.java
index 0a39bc172..a4a443118 100644
--- a/headless-services/spring-boot-language-server/src/main/java/org/springframework/ide/vscode/boot/java/utils/CompilationUnitCache.java
+++ b/headless-services/spring-boot-language-server/src/main/java/org/springframework/ide/vscode/boot/java/utils/CompilationUnitCache.java
@@ -165,7 +165,7 @@ public final class CompilationUnitCache implements DocumentContentProvider {
 	}
 
 	public static CompilationUnit parse(char[] source, String docURI, String unitName, String[] classpathEntries) throws Exception {
-		ASTParser parser = ASTParser.newParser(AST.JLS10);
+		ASTParser parser = ASTParser.newParser(AST.JLS11);
 		Map<String, String> options = JavaCore.getOptions();
 		JavaCore.setComplianceOptions(JavaCore.VERSION_10, options);
 		parser.setCompilerOptions(options);
diff --git a/headless-services/spring-boot-language-server/src/main/java/org/springframework/ide/vscode/boot/java/utils/SpringIndexer.java b/headless-services/spring-boot-language-server/src/main/java/org/springframework/ide/vscode/boot/java/utils/SpringIndexer.java
index 940a2f565..56bc299dd 100644
--- a/headless-services/spring-boot-language-server/src/main/java/org/springframework/ide/vscode/boot/java/utils/SpringIndexer.java
+++ b/headless-services/spring-boot-language-server/src/main/java/org/springframework/ide/vscode/boot/java/utils/SpringIndexer.java
@@ -322,7 +322,7 @@ public class SpringIndexer {
 
 	private void scanProject(IJavaProject project, String[] files) {
 		try {
-			ASTParser parser = ASTParser.newParser(AST.JLS10);
+			ASTParser parser = ASTParser.newParser(AST.JLS11);
 			String[] classpathEntries = getClasspathEntries(project);
 
 			scanFiles(project, parser, files, classpathEntries);
@@ -333,7 +333,7 @@ public class SpringIndexer {
 	}
 
 	private void scanFile(IJavaProject project, String docURI, String content, String[] classpathEntries) throws Exception {
-		ASTParser parser = ASTParser.newParser(AST.JLS10);
+		ASTParser parser = ASTParser.newParser(AST.JLS11);
 		Map<String, String> options = JavaCore.getOptions();
 		JavaCore.setComplianceOptions(JavaCore.VERSION_10, options);
 		parser.setCompilerOptions(options);