diff --git a/Dockerfile b/Dockerfile
index 8f290c6..d90c0ea 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,7 +11,7 @@ RUN apk upgrade --no-cache \
  && ./build/build.sh
 
 # STEP 2 build the image including only the binary
-FROM alpine:3.15.2@sha256:ceeae2849a425ef1a7e591d8288f1a58cdf1f4e8d9da7510e29ea829e61cf512
+FROM alpine:3.15.3@sha256:f22945d45ee2eb4dd463ed5a431d9f04fcd80ca768bb1acf898d91ce51f7bf04
 
 RUN apk upgrade --no-cache && apk add libc6-compat device-mapper findutils zfs \
  && rm -rf /var/cache/apk/*