diff --git a/Dockerfile b/Dockerfile
index 809e4ff..c21c2e6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.20@sha256:1e42bbe2508154c9126d48c2b8a75420c3544343bf86fd041fb7527e017a4b4a
+FROM alpine:3.21@sha256:21dc6063fd678b478f57c0e13f47560d0ea4eeba26dfc947b2a4f81f686b9f45
 ARG BINARY=binary-build-arg-not-defined
 ENV BINARY=${BINARY}
 ENTRYPOINT ["sh", "-c"]