diff --git a/Dockerfile b/Dockerfile
index 379b82e..5b25a81 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,7 +18,7 @@ RUN CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH:-amd64} \
         -X github.com/cocoonstack/cocoon-webhook/version.BUILTAT=${BUILTAT}" \
       -o /out/cocoon-webhook .
 
-FROM alpine:3.24@sha256:28bd5fe8b56d1bd048e5babf5b10710ebe0bae67db86916198a6eec434943f8b AS runtime-deps
+FROM alpine:3.24@sha256:294b683cb724975bec92580e1e685676bd4b50bda910ddb8c51d4cabeaec77e6 AS runtime-deps
 RUN apk add --no-cache ca-certificates
 
 FROM busybox:stable-musl@sha256:3c6ae8008e2c2eedd141725c30b20d9c36b026eb796688f88205845ef17aa213