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 a4a443118..533c90f9a 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
@@ -167,7 +167,7 @@ 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.JLS11);
 		Map<String, String> options = JavaCore.getOptions();
-		JavaCore.setComplianceOptions(JavaCore.VERSION_10, options);
+		JavaCore.setComplianceOptions(JavaCore.VERSION_11, options);
 		parser.setCompilerOptions(options);
 		parser.setKind(ASTParser.K_COMPILATION_UNIT);
 		parser.setStatementsRecovery(true);
diff --git a/headless-services/spring-boot-language-server/src/main/java/org/springframework/ide/vscode/boot/java/utils/SpringIndexerJava.java b/headless-services/spring-boot-language-server/src/main/java/org/springframework/ide/vscode/boot/java/utils/SpringIndexerJava.java
index a66b44820..586627365 100644
--- a/headless-services/spring-boot-language-server/src/main/java/org/springframework/ide/vscode/boot/java/utils/SpringIndexerJava.java
+++ b/headless-services/spring-boot-language-server/src/main/java/org/springframework/ide/vscode/boot/java/utils/SpringIndexerJava.java
@@ -104,7 +104,7 @@ public class SpringIndexerJava implements SpringIndexer {
 	private void scanFile(IJavaProject project, String docURI, String content, String[] classpathEntries) throws Exception {
 		ASTParser parser = ASTParser.newParser(AST.JLS11);
 		Map<String, String> options = JavaCore.getOptions();
-		JavaCore.setComplianceOptions(JavaCore.VERSION_10, options);
+		JavaCore.setComplianceOptions(JavaCore.VERSION_11, options);
 		parser.setCompilerOptions(options);
 		parser.setKind(ASTParser.K_COMPILATION_UNIT);
 		parser.setStatementsRecovery(true);
@@ -130,7 +130,7 @@ public class SpringIndexerJava implements SpringIndexer {
 	private void scanFiles(IJavaProject project, ASTParser parser, String[] javaFiles, String[] classpathEntries) throws Exception {
 
 		Map<String, String> options = JavaCore.getOptions();
-		JavaCore.setComplianceOptions(JavaCore.VERSION_10, options);
+		JavaCore.setComplianceOptions(JavaCore.VERSION_11, options);
 		parser.setCompilerOptions(options);
 		parser.setKind(ASTParser.K_COMPILATION_UNIT);
 		parser.setStatementsRecovery(true);