diff --git a/core-java/versions/src/main/java/com/reflectoring/io/java9/modules/hellos/pom.xml b/core-java/versions/src/main/java/com/reflectoring/io/java9/modules/hellos/pom.xml
index d512f07..0d2b543 100644
--- a/core-java/versions/src/main/java/com/reflectoring/io/java9/modules/hellos/pom.xml
+++ b/core-java/versions/src/main/java/com/reflectoring/io/java9/modules/hellos/pom.xml
@@ -13,8 +13,8 @@
     <artifactId>hello</artifactId>
 
     <properties>
-        <maven.compiler.source>11</maven.compiler.source>
-        <maven.compiler.target>11</maven.compiler.target>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/core-java/versions/src/main/java/com/reflectoring/io/java9/modules/worlds/pom.xml b/core-java/versions/src/main/java/com/reflectoring/io/java9/modules/worlds/pom.xml
index 2b33e59..736ea52 100644
--- a/core-java/versions/src/main/java/com/reflectoring/io/java9/modules/worlds/pom.xml
+++ b/core-java/versions/src/main/java/com/reflectoring/io/java9/modules/worlds/pom.xml
@@ -10,11 +10,11 @@
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
-    <artifactId>untitled</artifactId>
+    <artifactId>world</artifactId>
 
     <properties>
-        <maven.compiler.source>11</maven.compiler.source>
-        <maven.compiler.target>11</maven.compiler.target>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
     </properties>
 
 </project>
\ No newline at end of file