diff --git a/examples/http-gateway/Dockerfile b/examples/http-gateway/Dockerfile
index 3c92c56..0790947 100644
--- a/examples/http-gateway/Dockerfile
+++ b/examples/http-gateway/Dockerfile
@@ -2,7 +2,7 @@
 # Build context is the repository root:
 #   docker build -f examples/http-gateway/Dockerfile -t piguard-gateway .
 
-FROM golang:1.26-bookworm@sha256:483d6e0728a0e58f9e87e01ae9d80ef4181725efc9fadf659d398b3698bd60f7 AS build
+FROM golang:1.26-bookworm@sha256:5d2b868674b57c9e48cdd39e891acce4196b6926ca6d11e9c270a8f85106203d AS build
 WORKDIR /src
 COPY go.mod go.sum ./
 RUN go mod download