diff --git a/examples/deployment/docker/log_signer/Dockerfile b/examples/deployment/docker/log_signer/Dockerfile
index 7e7fbef10d..074d5e22d6 100644
--- a/examples/deployment/docker/log_signer/Dockerfile
+++ b/examples/deployment/docker/log_signer/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21.1-bookworm@sha256:d3114db136e7f2d9b08c3fcd374381ba3f8d85c17b80c48dbc53cd938cfb2b64 as build
+FROM golang:1.21.1-bookworm@sha256:e06b3a4a2ad2d274dfbd5377330b018b07fbe96179fd5de4cf2a2248f96311a3 as build
 
 WORKDIR /trillian