diff --git a/integration/Dockerfile b/integration/Dockerfile
index 810f7a48b7..534db5dca4 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:1.22.6-bookworm@sha256:39b7e6ebaca464d51989858871f792f2e186dce8ce0cbdba7e88e4444b244407 as ct_testbase
+FROM golang:1.23.0-bookworm@sha256:31dc846dd1bcca84d2fa231bcd16c09ff271bcc1a5ae2c48ff10f13b039688f3 as ct_testbase
 
 WORKDIR /testbase