diff --git a/integration/cloudbuild/testbase/Dockerfile b/integration/cloudbuild/testbase/Dockerfile
index c43a298d23..5df4cd8fc4 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:1.22.0-bookworm@sha256:874c2677e43be36a429823f2742af85844772664f273c1c8c8235f10aba51cd3
+FROM golang:1.22.0-bookworm@sha256:925fe3fa28ba428cf67a7947ae838f8a1523117b40e3e6b5106c378e3f97fa29
 
 WORKDIR /testbase