diff --git a/services/mcp-firewall/Dockerfile b/services/mcp-firewall/Dockerfile
index b8e481c..44ff2f0 100644
--- a/services/mcp-firewall/Dockerfile
+++ b/services/mcp-firewall/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/library/golang:1.27.2-alpine3.24@sha256:f92b6ef800e499660581efdabdf25d9d817a9d124eaf900924f0504e7e27e12d AS build
+FROM docker.io/library/golang:1.27.3-alpine3.24@sha256:d200d2dd76b03a99b52651fd1325aff7dcd35422c35c01bac56571b0507f3deb AS build
 WORKDIR /src
 COPY go.mod go.sum ./
 RUN go mod download