diff --git a/Dockerfile b/Dockerfile
index 77697eea..07c9dc8a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@ RUN go test ./...
 ARG version=dev
 RUN go build -ldflags "-X main.Version=$version" -o /bin/ecr-image-sync
 
-FROM alpine:3.21.2
+FROM alpine:3.21.3
 
 COPY --from=build /bin/ecr-image-sync /usr/local/bin/ecr-image-sync
 ENTRYPOINT ["ecr-image-sync"]