diff --git a/integration/cloudbuild/testbase/Dockerfile b/integration/cloudbuild/testbase/Dockerfile
index ec41e8ca1a..85da8c360e 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:1.23.1-bookworm@sha256:dba79eb312528369dea87532a65dbe9d4efb26439a0feacc9e7ac9b0f1c7f607
 
 WORKDIR /testbase