diff --git a/jkube-kit/config/resource/src/main/java/org/eclipse/jkube/kit/config/resource/GroupArtifactVersion.java b/jkube-kit/config/resource/src/main/java/org/eclipse/jkube/kit/config/resource/GroupArtifactVersion.java
index 59f2b1873b..0787c96f79 100644
--- a/jkube-kit/config/resource/src/main/java/org/eclipse/jkube/kit/config/resource/GroupArtifactVersion.java
+++ b/jkube-kit/config/resource/src/main/java/org/eclipse/jkube/kit/config/resource/GroupArtifactVersion.java
@@ -17,9 +17,9 @@ public class GroupArtifactVersion {
 
     private static final String PREFIX = "s";
 
-    private String groupId;
-    private String artifactId;
-    private String version;
+    private final String groupId;
+    private final String artifactId;
+    private final String version;
 
     public GroupArtifactVersion(String groupId, String artifactId, String version) {
         this.groupId = groupId;