diff --git a/Dockerfile b/Dockerfile
index 903fd72..9ceb5f1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM nikolaik/python-nodejs:python3.9-nodejs14-slim
+FROM nikolaik/python-nodejs:python3.9-nodejs14-alpine
 
 LABEL version="1.0.0"
 LABEL repository="https://github.com/serverless/github-action"