diff --git a/gcb/bootstrap-pgp/cloudbuild.yaml b/gcb/bootstrap-pgp/cloudbuild.yaml
index 2bf8d89..eff952d 100644
--- a/gcb/bootstrap-pgp/cloudbuild.yaml
+++ b/gcb/bootstrap-pgp/cloudbuild.yaml
@@ -4,7 +4,7 @@ steps:
 
 ## Clone & checkout the cert-manager release repository, build cmrel and then
 ## run the bootstrap-pgp command, which will print keys to stdout
-- name: docker.io/library/golang:1.26-alpine@sha256:91eda9776261207ea25fd06b5b7fed8d397dd2c0a283e77f2ab6e91bfa71079d
+- name: docker.io/library/golang:1.26-alpine@sha256:f23e8b227fb4493eabe03bede4d5a32d04092da71962f1fb79b5f7d1e6c2a17f
   entrypoint: sh
   args:
   - -c
diff --git a/gcb/publish/cloudbuild.yaml b/gcb/publish/cloudbuild.yaml
index d519eb1..caf030e 100644
--- a/gcb/publish/cloudbuild.yaml
+++ b/gcb/publish/cloudbuild.yaml
@@ -18,13 +18,13 @@ secrets:
     DOCKER_CONFIG: CiQAPjqeEyZx+aSgFNoW7KQ4wE4hp/9vbWElifjHJNTI0/71ywMSkwIAUOH2xwTfrn72i6p+Op2PYnjDfwMBcInMEtgKAqiTsaup3R5HeL8BsZGuWxVhCEm5CJJ0Rg3CPdFUx2IVmCfC3j32LkAiMxMpszdHTjWHEyWmxwtBlTJW8NFmoYzxfN4Ox9rYFF66eZ0XVdLz1UejXpqAkGFVzTzQSu4rvNFnAsP5Sj7ZKJpXn+p0ZZW1IdMTD0xzCwZjW9hhcTjyNaCKDJYwl8j6Y/bYeoUMrzDQNk48fzKIBgxEdUTR2OOAI785GWSrkB4Y03oEyrfw8jTd1yAoil2S6p3AGV1FbvFleajSCy3Ov+5gjomjtqCbTx06hVsTcqLHC45WzAWPa/8TsiXh5PPgBbkg+pfBQUTj6i9+WA==
 
 steps:
-- name: docker.io/library/golang:1.26-alpine@sha256:91eda9776261207ea25fd06b5b7fed8d397dd2c0a283e77f2ab6e91bfa71079d
+- name: docker.io/library/golang:1.26-alpine@sha256:f23e8b227fb4493eabe03bede4d5a32d04092da71962f1fb79b5f7d1e6c2a17f
   entrypoint: go
   args:
   - install
   - github.com/cert-manager/release/cmd/cmrel@${_RELEASE_REPO_REF}
 
-- name: docker.io/library/golang:1.26-alpine@sha256:91eda9776261207ea25fd06b5b7fed8d397dd2c0a283e77f2ab6e91bfa71079d
+- name: docker.io/library/golang:1.26-alpine@sha256:f23e8b227fb4493eabe03bede4d5a32d04092da71962f1fb79b5f7d1e6c2a17f
   entrypoint: go
   args:
   - install
diff --git a/gcb/stage/cloudbuild.yaml b/gcb/stage/cloudbuild.yaml
index 38e6e11..e6250e9 100644
--- a/gcb/stage/cloudbuild.yaml
+++ b/gcb/stage/cloudbuild.yaml
@@ -12,7 +12,7 @@ steps:
     set -e
     git clone "${_CM_REPO}" . && git checkout "${_CM_REF}"
 
-- name: docker.io/library/golang:1.26-alpine@sha256:91eda9776261207ea25fd06b5b7fed8d397dd2c0a283e77f2ab6e91bfa71079d
+- name: docker.io/library/golang:1.26-alpine@sha256:f23e8b227fb4493eabe03bede4d5a32d04092da71962f1fb79b5f7d1e6c2a17f
   entrypoint: go
   args:
   - install