diff --git a/integration/cloudbuild/testbase/Dockerfile b/integration/cloudbuild/testbase/Dockerfile
index 47af9c3873..ec41e8ca1a 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:1.23.0-bookworm@sha256:31dc846dd1bcca84d2fa231bcd16c09ff271bcc1a5ae2c48ff10f13b039688f3
+FROM golang:1.23.1-bookworm@sha256:1a5326b07cbab12f4fd7800425f2cf25ff2bd62c404ef41b56cb99669a710a83
 
 WORKDIR /testbase