diff --git a/java/execution/jshell-frontend/intellij.java.jshell.frontend.iml b/java/execution/jshell-frontend/intellij.java.jshell.frontend.iml
index 82fc7d742a5d..ca081f729e41 100644
--- a/java/execution/jshell-frontend/intellij.java.jshell.frontend.iml
+++ b/java/execution/jshell-frontend/intellij.java.jshell.frontend.iml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <module type="JAVA_MODULE" version="4">
-  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_9" inherit-compiler-output="true">
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_11" inherit-compiler-output="true">
     <exclude-output />
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
diff --git a/java/execution/jshell-protocol/intellij.java.jshell.protocol.iml b/java/execution/jshell-protocol/intellij.java.jshell.protocol.iml
index 41e54e02bd99..df0e9a7f9889 100644
--- a/java/execution/jshell-protocol/intellij.java.jshell.protocol.iml
+++ b/java/execution/jshell-protocol/intellij.java.jshell.protocol.iml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <module type="JAVA_MODULE" version="4">
-  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_9" inherit-compiler-output="true">
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_11" inherit-compiler-output="true">
     <exclude-output />
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />