diff --git a/cmd/kured/Dockerfile b/cmd/kured/Dockerfile
index 305b8e1..c0bd39e 100644
--- a/cmd/kured/Dockerfile
+++ b/cmd/kured/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.14
+FROM alpine:3.15.0
 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"]