diff --git a/services/mcp-firewall/Dockerfile b/services/mcp-firewall/Dockerfile
index 4f999e5..4680ad4 100644
--- a/services/mcp-firewall/Dockerfile
+++ b/services/mcp-firewall/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/library/golang:1.26-alpine@sha256:f85330846cde1e57ca9ec309382da3b8e6ae3ab943d2739500e08c86393a21b1 AS build
+FROM docker.io/library/golang:1.26-alpine@sha256:91eda9776261207ea25fd06b5b7fed8d397dd2c0a283e77f2ab6e91bfa71079d AS build
 WORKDIR /src
 COPY go.mod go.sum* ./
 RUN go mod download