diff --git a/Dockerfile b/Dockerfile
index cdd1bce..2f8d64d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Container image that runs your code
-FROM alpine:3.13.4
+FROM alpine:3.13.3
 
 # Copies your code file from your action repository to the filesystem path `/` of the container
 COPY entrypoint.sh /entrypoint.sh