diff --git a/integration/Dockerfile b/integration/Dockerfile
index 9c14bf8fb9..328776e8c6 100644
--- a/integration/Dockerfile
+++ b/integration/Dockerfile
@@ -1,6 +1,6 @@
 # This Dockerfile builds a base image for the certificate-transparency-go CloudBuild integration testing.
 # See https://hub.docker.com/_/golang for the set of golang base images.
-FROM golang:1.22.4-bookworm@sha256:96788441ff71144c93fc67577f2ea99fd4474f8e45c084e9445fe3454387de5b as ct_testbase
+FROM golang:1.22.5-bookworm@sha256:6c2780255bb7b881e904e303be0d7a079054160b2ce1efde446693c0850a39ad as ct_testbase
 
 WORKDIR /testbase