diff --git a/.drone.yml b/.drone.yml
index 9b0710c2d..344af41a9 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -53,6 +53,8 @@ pipeline:
       - docker_hub_username
       - docker_hub_password
       - npm_registry
+      - harbor_sign_key
+      - harbor_sign_key_id
     commands:
       - export DOMAIN=${CI_DOMAIN}
       - export HOST_CONTAINER_ID=$(hostname)
diff --git a/tests/integration.sh b/tests/integration.sh
index fe9658ed2..387c664d6 100755
--- a/tests/integration.sh
+++ b/tests/integration.sh
@@ -151,6 +151,8 @@ if [[ $DRONE_BRANCH == "master" || $DRONE_BRANCH == *"refs/tags"* || $DRONE_BRAN
     if [[ $DRONE_BUILD_EVENT == "push" ]]; then
         package_offline_installer
         upload_latest_build=true
+        echo -en "$HARBOR_SIGN_KEY" | gpg --import
+        gpg -v -ab -u $HARBOR_SIGN_KEY_ID $harbor_build_bundle
     fi
 fi
 
@@ -168,9 +170,12 @@ fi
 #
 set -e
 if [ $upload_build == true ]; then
-    cp $harbor_build_bundle harbor-offline-installer-latest.tgz
-    uploader $harbor_build_bundle $harbor_target_bucket
-    uploader harbor-offline-installer-latest.tgz $harbor_target_bucket
+    cp ${harbor_build_bundle}     harbor-offline-installer-latest.tgz
+    cp ${harbor_build_bundle}.asc harbor-offline-installer-latest.tgz.asc
+    uploader ${harbor_build_bundle}     $harbor_target_bucket
+    uploader ${harbor_build_bundle}.asc $harbor_target_bucket
+    uploader harbor-offline-installer-latest.tgz     $harbor_target_bucket
+    uploader harbor-offline-installer-latest.tgz.asc $harbor_target_bucket
     upload_bundle_success=true
 fi