diff --git a/Dockerfile.dapper b/Dockerfile.dapper
index 820ee17..e63cc76 100644
--- a/Dockerfile.dapper
+++ b/Dockerfile.dapper
@@ -22,7 +22,7 @@ COPY --from=tools /app/release-notary /usr/local/bin/
 ENV CATTLE_DASHBOARD_UI_VERSION="v2.8.0-kube-explorer-ui-rc3"
 ENV CATTLE_API_UI_VERSION="1.1.11"
 
-ENV DAPPER_ENV REPO TAG DRONE_TAG CROSS GOPROXY SKIP_COMPRESS GITHUB_REPOSITORY GITHUB_TOKEN
+ENV DAPPER_ENV REPO TAG DRONE_TAG CROSS GOPROXY SKIP_COMPRESS GITHUB_REPOSITORY GITHUB_TOKEN GITHUB_REF
 ENV DAPPER_SOURCE /go/src/github.com/cnrancher/kube-explorer
 ENV DAPPER_OUTPUT ./bin ./dist
 ENV DAPPER_DOCKER_SOCKET true
diff --git a/scripts/version b/scripts/version
index 9e7a5b8..a53d0eb 100755
--- a/scripts/version
+++ b/scripts/version
@@ -1,5 +1,9 @@
 #!/bin/bash
 
+if [[ ${GITHUB_REF} == refs/tags/* ]]; then
+    DRONE_TAG=${DRONE_TAG:-${GITHUB_REF#refs/tags/}}
+fi
+
 if [ -n "$(git status --porcelain --untracked-files=no)" ]; then
     DIRTY="-dirty"
 fi