diff --git a/go.mod b/go.mod
index 83744cb..0f33fca 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/cert-manager/webhook-example
 go 1.22.0
 
 require (
-	github.com/cert-manager/cert-manager v1.15.1
+	github.com/cert-manager/cert-manager v1.15.4
 	github.com/miekg/dns v1.1.61
 	github.com/stretchr/testify v1.9.0
 	k8s.io/apiextensions-apiserver v0.30.2
diff --git a/go.sum b/go.sum
index 52239a3..398dc02 100644
--- a/go.sum
+++ b/go.sum
@@ -10,8 +10,8 @@ github.com/blang/semver/v4 v4.0.0 h1:1PFHFE6yCCTv8C1TeyNNarDzntLi7wMI5i/pzqYIsAM
 github.com/blang/semver/v4 v4.0.0/go.mod h1:IbckMUScFkM3pff0VJDNKRiT6TG/YpiHIM2yvyW5YoQ=
 github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8=
 github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
-github.com/cert-manager/cert-manager v1.15.1 h1:HSG4k2GlJ2YgTLkZfQzrArNaQpM9+ehDDg550IxAD94=
-github.com/cert-manager/cert-manager v1.15.1/go.mod h1:p98JoGv3J9JhdKU9ngsj2EhWGI6/GlU7kpjWu5lf2js=
+github.com/cert-manager/cert-manager v1.15.4 h1:FtH6BOTmkNBNRjoYSW2b80MYpUq4Zw1zbEB6flYzkiM=
+github.com/cert-manager/cert-manager v1.15.4/go.mod h1:stBge/DTvrhfQMB/93+Y62s+gQgZBsfL1o0C/4AL/mI=
 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=