diff --git a/src/go.mod b/src/go.mod
index f408ef9..06aa0a4 100644
--- a/src/go.mod
+++ b/src/go.mod
@@ -5,7 +5,7 @@ go 1.23.8
 toolchain go1.24.4
 
 require (
-	github.com/cert-manager/cert-manager v1.18.0
+	github.com/cert-manager/cert-manager v1.18.1
 	github.com/dnsimple/dnsimple-go v1.7.0
 	k8s.io/apiextensions-apiserver v0.32.3
 	k8s.io/apimachinery v0.32.3
diff --git a/src/go.sum b/src/go.sum
index 39a512a..85ea0b5 100644
--- a/src/go.sum
+++ b/src/go.sum
@@ -28,6 +28,8 @@ github.com/cert-manager/cert-manager v1.17.2 h1:QQYTEOsHf/Z3BFzKH2sIILHJwZA5Ut0L
 github.com/cert-manager/cert-manager v1.17.2/go.mod h1:2TmjsTQF8GZqc8fgLhXWCfbA6YwWCUHKxerJNbFh9eU=
 github.com/cert-manager/cert-manager v1.18.0 h1:v7vxC1Mx5tkDz1oGOAktB88zA6TbGKcmpLM92+AIXRc=
 github.com/cert-manager/cert-manager v1.18.0/go.mod h1:icDJx4kG9BCNpGjBvrmsFd99d+lXUvWdkkcrSSQdIiw=
+github.com/cert-manager/cert-manager v1.18.1 h1:5qa3UNrgkNc5Zpn0CyAVMyRIchfF3/RHji4JrazYmWw=
+github.com/cert-manager/cert-manager v1.18.1/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=