diff --git a/Dockerfile b/Dockerfile
index 848574b..ad15cae 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # hadolint ignore=DL3007
-FROM alpine:3
+FROM alpine:20231219
 
 # hadolint ignore=DL3018
 RUN apk add --no-cache \