diff --git a/go.mod b/go.mod
index a1120dd..33e8962 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ toolchain go1.24.4
 
 require (
 	github.com/alecthomas/kong v1.11.0
-	github.com/cert-manager/cert-manager v1.18.0
+	github.com/cert-manager/cert-manager v1.18.1
 	k8s.io/api v0.33.1
 	k8s.io/apimachinery v0.33.1
 	k8s.io/client-go v0.33.1
diff --git a/go.sum b/go.sum
index 801c6a5..be242cf 100644
--- a/go.sum
+++ b/go.sum
@@ -4,8 +4,8 @@ github.com/alecthomas/kong v1.11.0 h1:y++1gI7jf8O7G7l4LZo5ASFhrhJvzc+WgF/arranEm
 github.com/alecthomas/kong v1.11.0/go.mod h1:p2vqieVMeTAnaC83txKtXe8FLke2X07aruPWXyMPQrU=
 github.com/alecthomas/repr v0.4.0 h1:GhI2A8MACjfegCPVq9f1FLvIBS+DrQ2KQBFZP1iFzXc=
 github.com/alecthomas/repr v0.4.0/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
-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/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=