diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 548ce4a..a04a222 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -116,6 +116,10 @@ jobs:
       dockerImage: "exoplatform/jdk"
       dockerImageTag: ${{ matrix.imageTag }}
       dockerFileContext: ${{ matrix.context }}
+      signImage: true
     secrets:
       DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
-      DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
\ No newline at end of file
+      DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
+      DOCKER_PRIVATE_KEY_ID: ${{ secrets.DOCKER_PRIVATE_KEY_ID }}
+      DOCKER_PRIVATE_KEY: ${{ secrets.DOCKER_PRIVATE_KEY }}
+      DOCKER_PRIVATE_KEY_PASSPHRASE: ${{ secrets.DOCKER_PRIVATE_KEY_PASSPHRASE }}
\ No newline at end of file