diff --git a/Dockerfile b/Dockerfile
index 1a0eb35..48b21c6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3@sha256:c5b1261d6d3e43071626931fc004f70149baeba2c8ec672bd4f27761f8e1ad6b
+FROM alpine:3
 
 # hadolint ignore=DL3018
 RUN apk add --no-cache \