diff --git a/go.mod b/go.mod
index 27850b1..388b2b9 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/gnmic/operator
 go 1.25.5
 
 require (
-	github.com/cert-manager/cert-manager v1.19.2
+	github.com/cert-manager/cert-manager v1.19.3
 	github.com/onsi/ginkgo/v2 v2.27.3
 	github.com/onsi/gomega v1.38.3
 	github.com/openconfig/gnmic/pkg/api v0.1.9
diff --git a/go.sum b/go.sum
index 0e1bea2..ab60b02 100644
--- a/go.sum
+++ b/go.sum
@@ -4,8 +4,8 @@ github.com/Masterminds/semver/v3 v3.4.0 h1:Zog+i5UMtVoCU8oKka5P7i9q9HgrJeGzI9SA1
 github.com/Masterminds/semver/v3 v3.4.0/go.mod h1:4V+yj/TJE1HU9XfppCwVMZq3I84lprf4nC11bSS5beM=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
-github.com/cert-manager/cert-manager v1.19.2 h1:jSprN1h5pgNDSl7HClAmIzXuTxic/5FXJ32kbQHqjlM=
-github.com/cert-manager/cert-manager v1.19.2/go.mod h1:e9NzLtOKxTw7y99qLyWGmPo6mrC1Nh0EKKcMkRfK+GE=
+github.com/cert-manager/cert-manager v1.19.3 h1:3d0Nk/HO3BOmAdBJNaBh+6YgaO3Ciey3xCpOjiX5Obs=
+github.com/cert-manager/cert-manager v1.19.3/go.mod h1:e9NzLtOKxTw7y99qLyWGmPo6mrC1Nh0EKKcMkRfK+GE=
 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/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=