diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 05cb79e3..2d48cc6d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ on:
   pull_request:
 
 env:
-  JAVA_VERSION: 25
+  JAVA_VERSION: 21
   DOCKER_BUILD_SUMMARY: false
 
 jobs:
diff --git a/.github/workflows/sonar.yml b/.github/workflows/sonar.yml
index de5bfb32..0dbe6260 100644
--- a/.github/workflows/sonar.yml
+++ b/.github/workflows/sonar.yml
@@ -11,7 +11,7 @@ on:
     types: [ opened, synchronize, reopened ]
 
 env:
-  JAVA_VERSION: 25
+  JAVA_VERSION: 21
 
 jobs:
   build: