diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 45685a2cdf..59cb7556af 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -17,6 +17,13 @@ cpg-language-cxx        @peckto
 cpg-language-llvm       @KuechA
 cpg-analysis            @KuechA
 
+*.java                  @konradweiss
+cpg-language-java       @konradweiss
+
+cpg-language-jvm        @oxisto
+
+cpg-language-ruby       @oxisto
+
 cpg-neo4j               @peckto
 
 build.gradle.kts        @oxisto