diff --git a/latest/Dockerfile b/latest/Dockerfile
index a0c80df..5ec02b3 100644
--- a/latest/Dockerfile
+++ b/latest/Dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/cloudpunks/alpine:3.19
+FROM ghcr.io/cloudpunks/alpine:3.19@sha256:f0d0e20158b4757ab2476ae46aa1df529253ad49d9a22446e5dc222aaf1870f8
 ENTRYPOINT [""]
 
 # renovate: datasource=npm depName=@commitlint/cli