diff --git a/.drone.yml b/.drone.yml
index 5d89580..d4932ca 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -8,6 +8,8 @@ pipeline:
   docker:
     image: plugins/docker
     repo: bunix42/google-cloud-sdk
+    build_args:
+      - BASE_IMAGE=google/cloud-sdk:${VERSION}
     tags:
      - ${VERSION}
     secrets: [ docker_username, docker_password ]
diff --git a/Dockerfile b/Dockerfile
index a2510b0..38fe17b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,5 @@
-FROM google/cloud-sdk:<VERSION>
+ARG BASE_IMAGE=google/cloud-sdk:latest
+FROM $BASE_IMAGE
+
+RUN apk add -U --no-cache openssl
 
-RUN apk add -U --no-cache openssl
\ No newline at end of file