diff --git a/Dockerfile b/Dockerfile
index 0bd5c8149..74115376b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -27,7 +27,7 @@ add . ./
 run go install -trimpath -buildvcs=false ./cmd/...
 
 # the real image
-from alpine:3.17
+from alpine:3.16
 entrypoint ["/bin/kpng"]
 run apk add --update iptables ip6tables iproute2 ipvsadm nftables ipset conntrack-tools
 copy --from=build /go/bin/ /bin/