diff --git a/.gitea/workflows/test_image_build_push.yml b/.gitea/workflows/test_image_build_push.yml
index cb9770d..478f162 100644
--- a/.gitea/workflows/test_image_build_push.yml
+++ b/.gitea/workflows/test_image_build_push.yml
@@ -40,8 +40,9 @@ jobs:
         run: |
           apk add --no-cache openjdk17-jdk
           echo "JAVA_HOME=/usr/lib/jvm/java-17-openjdk" >> "$GITHUB_ENV"
-      - name: Validate Gradle Wrapper
-        uses: gradle/actions/wrapper-validation@v3
+      - name: Validate Gradle Wrapper (offline checksum)
+        run: |
+          sha256sum --check gradle/wrapper/gradle-wrapper.jar.sha256
       - name: Create and push tag
         run: |
           echo "New version: ${{ needs.tag.outputs.new_version }}"
@@ -63,4 +64,3 @@ jobs:
         run: |
           docker push 192.168.0.100:8928/hithomelabs/cftunnels:test
           docker push 192.168.0.100:8928/hithomelabs/cftunnels:${{ needs.tag.outputs.new_version }}
-