diff --git a/go.mod b/go.mod
index 94161d1..3272bc4 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ toolchain go1.23.0
 
 require (
 	github.com/IBM-Cloud/bluemix-go v0.0.0-20240719075425-078fcb3a55be
-	github.com/cert-manager/cert-manager v1.15.2
+	github.com/cert-manager/cert-manager v1.15.3
 	k8s.io/apiextensions-apiserver v0.30.3
 	k8s.io/client-go v0.30.3
 )
diff --git a/go.sum b/go.sum
index 97ab8b1..5326d64 100644
--- a/go.sum
+++ b/go.sum
@@ -16,6 +16,8 @@ github.com/cert-manager/cert-manager v1.15.1 h1:HSG4k2GlJ2YgTLkZfQzrArNaQpM9+ehD
 github.com/cert-manager/cert-manager v1.15.1/go.mod h1:p98JoGv3J9JhdKU9ngsj2EhWGI6/GlU7kpjWu5lf2js=
 github.com/cert-manager/cert-manager v1.15.2 h1:Mjbvc+FjYeg2928xy7bcS+c+ARxyqBcXM9QypOg1/Uo=
 github.com/cert-manager/cert-manager v1.15.2/go.mod h1:stBge/DTvrhfQMB/93+Y62s+gQgZBsfL1o0C/4AL/mI=
+github.com/cert-manager/cert-manager v1.15.3 h1:/u9T0griwd5MegPfWbB7v0KcVcT9OJrEvPNhc9tl7xQ=
+github.com/cert-manager/cert-manager v1.15.3/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/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=