diff --git a/examples/deployment/docker/log_signer/Dockerfile b/examples/deployment/docker/log_signer/Dockerfile
index f7f6f81f3a..9caaf41c15 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@sha256:9c7ea4a4924ae24913401af45c9b6f439d0f782267584738d1cc1099d8b7a02c as build
+FROM golang:1.21.1-bookworm@sha256:61f84bc8cddb878258b2966d682c11a1317e97a371ff0da98823d9e326d9dac1 as build
 
 WORKDIR /trillian