diff --git a/integration/cloudbuild/testbase/Dockerfile b/integration/cloudbuild/testbase/Dockerfile
index ec41e8ca1a..5401261387 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:1.23.1-bookworm@sha256:1a5326b07cbab12f4fd7800425f2cf25ff2bd62c404ef41b56cb99669a710a83
+FROM golang:1.23.2-bookworm@sha256:37189aa822b40981cf190ab86481825af5bd9eab8cc4767a975b50785b6300ef
 
 WORKDIR /testbase