diff --git a/go.mod b/go.mod
index 8d7cfee7..4d719e28 100644
--- a/go.mod
+++ b/go.mod
@@ -9,7 +9,7 @@ toolchain go1.24.5
 replace k8s.io/client-go => k8s.io/client-go v0.33.3
 
 require (
-	github.com/cert-manager/cert-manager v1.17.2
+	github.com/cert-manager/cert-manager v1.18.2
 	github.com/gophercloud/gophercloud v0.14.0
 	github.com/sirupsen/logrus v1.9.3
 	github.com/stretchr/testify v1.10.0
diff --git a/go.sum b/go.sum
index effb9f3f..cde6d1fe 100644
--- a/go.sum
+++ b/go.sum
@@ -14,6 +14,8 @@ github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK3
 github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
 github.com/cert-manager/cert-manager v1.17.2 h1:QQYTEOsHf/Z3BFzKH2sIILHJwZA5Ut0LYZlHyNViupg=
 github.com/cert-manager/cert-manager v1.17.2/go.mod h1:2TmjsTQF8GZqc8fgLhXWCfbA6YwWCUHKxerJNbFh9eU=
+github.com/cert-manager/cert-manager v1.18.2 h1:H2P75ycGcTMauV3gvpkDqLdS3RSXonWF2S49QGA1PZE=
+github.com/cert-manager/cert-manager v1.18.2/go.mod h1:icDJx4kG9BCNpGjBvrmsFd99d+lXUvWdkkcrSSQdIiw=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/coreos/go-semver v0.3.1 h1:yi21YpKnrx1gt5R+la8n5WgS0kCrsPp33dmEyHReZr4=