diff --git a/trillian/examples/deployment/docker/ctfe/Dockerfile b/trillian/examples/deployment/docker/ctfe/Dockerfile
index dc3ed24a22..eb93060f87 100644
--- a/trillian/examples/deployment/docker/ctfe/Dockerfile
+++ b/trillian/examples/deployment/docker/ctfe/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21.3-bookworm@sha256:20f9ab52a8c3598ef13f86c9bc3b94db400e13df115ecacd8c3dfd0c0f060208 as build
+FROM golang:1.21.3-bookworm@sha256:5ee12963390a919952d80f1d7894c75a43467f6ab1d4204325093e62705f3609 as build
 
 ARG GOFLAGS=""
 ENV GOFLAGS=$GOFLAGS