diff --git a/cmd/kured/Dockerfile b/cmd/kured/Dockerfile
index a9c6df3..78487b9 100644
--- a/cmd/kured/Dockerfile
+++ b/cmd/kured/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.15.3
+FROM alpine:3.15.4
 RUN apk update --no-cache && apk upgrade --no-cache && apk add --no-cache ca-certificates tzdata
 COPY ./kured /usr/bin/kured
 ENTRYPOINT ["/usr/bin/kured"]