diff --git a/core-java-modules/core-java-collections-maps-4/pom.xml b/core-java-modules/core-java-collections-maps-4/pom.xml
index e5afd87bbe..352dd6d4c8 100644
--- a/core-java-modules/core-java-collections-maps-4/pom.xml
+++ b/core-java-modules/core-java-collections-maps-4/pom.xml
@@ -62,8 +62,8 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.9</maven.compiler.source>
-        <maven.compiler.target>1.9</maven.compiler.target>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
     </properties>
 
 </project>
\ No newline at end of file