diff --git a/services/tool-firewall/Dockerfile b/services/tool-firewall/Dockerfile
index ea59078..cbfde1a 100644
--- a/services/tool-firewall/Dockerfile
+++ b/services/tool-firewall/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/library/golang:1.26.5-alpine@sha256:0178a641fbb4858c5f1b48e34bdaabe0350a330a1b1149aabd498d0699ff5fb2 AS build
+FROM docker.io/library/golang:1.26.6-alpine@sha256:3889b425f035be855a72fb4755265311293b6d414521f0a519d819df32222d83 AS build
 WORKDIR /src
 COPY go.mod go.sum* ./
 RUN go mod download 2>/dev/null || true