diff --git a/Dockerfile b/Dockerfile
index aad1aa7..a741d01 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ RUN apk upgrade --no-cache && \
 RUN go get -d -v && gofmt -l ./ && go build .
 
 # STEP 2 build the image including only the binary
-FROM alpine:3.15.2@sha256:ceeae2849a425ef1a7e591d8288f1a58cdf1f4e8d9da7510e29ea829e61cf512
+FROM alpine:3.16.1@sha256:7580ece7963bfa863801466c0a488f11c86f85d9988051a9f9c68cb27f6b7872
 
 RUN apk --no-cache add ca-certificates && \
     adduser -D -h /usr/local/filtron -s /bin/false filtron filtron