diff --git a/examples/deployment/docker/log_signer/Dockerfile b/examples/deployment/docker/log_signer/Dockerfile
index a5fbcb33e6..bf31fd402d 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@sha256:61f84bc8cddb878258b2966d682c11a1317e97a371ff0da98823d9e326d9dac1 as build
+FROM golang:1.21.2-bookworm@sha256:a44d05d5de3474f8135462903bbf74a0fdb761aec455ff557c467339dc0b729b as build
 
 WORKDIR /trillian