diff --git a/integration/cloudbuild/testbase/Dockerfile b/integration/cloudbuild/testbase/Dockerfile
index bbf62988b1..c35aebf09e 100644
--- a/integration/cloudbuild/testbase/Dockerfile
+++ b/integration/cloudbuild/testbase/Dockerfile
@@ -1,5 +1,5 @@
 # This Dockerfile builds a base image for Trillan integration tests.
-FROM golang:1.23.4-bookworm@sha256:2e838582004fab0931693a3a84743ceccfbfeeafa8187e87291a1afea457ff7a
+FROM golang:1.23.4-bookworm@sha256:95db116434e3f21a2a15600ffc7169bf380c6bfd021b154d106fcb346721c277
 
 WORKDIR /testbase