diff --git a/Dockerfile b/Dockerfile
index 2e7bc5a..af9e269 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,6 @@
 # Container image that runs your code
-FROM alpine
+FROM alpine:edge
 
-RUN apk add --no-cache ca-certificates
 # Copies your code file from your action repository to the filesystem path `/` of the container
 COPY entrypoint.sh /entrypoint.sh
 
diff --git a/entrypoint.sh b/entrypoint.sh
old mode 100755
new mode 100644