diff --git a/go.mod b/go.mod
index 0111574..782ae8a 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.26.4
 
 require (
 	github.com/argoproj/argo-rollouts v1.9.0
-	github.com/cert-manager/cert-manager v1.20.2
+	github.com/cert-manager/cert-manager v1.20.3
 	github.com/go-logr/logr v1.4.3
 	github.com/google/uuid v1.6.0
 	github.com/onsi/ginkgo/v2 v2.29.0
diff --git a/go.sum b/go.sum
index d54c782..d2d7607 100644
--- a/go.sum
+++ b/go.sum
@@ -12,8 +12,8 @@ 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/v5 v5.0.3 h1:ZN+IMa753KfX5hd8vVaMixjnqRZ3y8CuJKRKj1xcsSM=
 github.com/cenkalti/backoff/v5 v5.0.3/go.mod h1:rkhZdG3JZukswDf7f0cwqPNk4K0sa+F97BxZthm/crw=
-github.com/cert-manager/cert-manager v1.20.2 h1:CimnY00nLqB2lmxhoSuEC4GDMFDK7JCXqyjwMM9ndIQ=
-github.com/cert-manager/cert-manager v1.20.2/go.mod h1:1g/+a/WK5zWH/dXPZa3dMD3aJQJNRXQu+PN17C6WrOw=
+github.com/cert-manager/cert-manager v1.20.3 h1:7zgThbjfRBNjN2/cM/Wdo/vl/oeFQybIMNzxd1Ocipc=
+github.com/cert-manager/cert-manager v1.20.3/go.mod h1:Aqf5P0xRh9aey1p10m2c3UAk/Vb/FBPyH3WQxJRm+7Y=
 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/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=