diff --git a/go.mod b/go.mod
index 6ee1b8720..01852c938 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.25.5
 
 require (
 	github.com/Masterminds/semver/v3 v3.4.0
-	github.com/cert-manager/cert-manager v1.19.2
+	github.com/cert-manager/cert-manager v1.19.3
 	github.com/fatih/camelcase v1.0.0
 	github.com/go-sql-driver/mysql v1.9.3
 	github.com/prometheus/client_golang v1.23.2
diff --git a/go.sum b/go.sum
index d780e02b3..b1758b5f2 100644
--- a/go.sum
+++ b/go.sum
@@ -55,8 +55,8 @@ github.com/bsm/ginkgo/v2 v2.12.0 h1:Ny8MWAHyOepLGlLKYmXG4IEkioBysk6GpaRTLC8zwWs=
 github.com/bsm/ginkgo/v2 v2.12.0/go.mod h1:SwYbGRRDovPVboqFv0tPTcG1sN61LM1Z4ARdbAV9g4c=
 github.com/bsm/gomega v1.27.10 h1:yeMWxP2pV2fG3FgAODIY8EiRE3dy0aeFYt4l7wh6yKA=
 github.com/bsm/gomega v1.27.10/go.mod h1:JyEr/xRbxbtgWNi8tIEVPUYZ5Dzef52k01W3YH0H+O0=
-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 v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
diff --git a/vendor/modules.txt b/vendor/modules.txt
index bca3ad63e..4ffc31d39 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -18,7 +18,7 @@ github.com/beorn7/perks/quantile
 # github.com/blang/semver/v4 v4.0.0
 ## explicit; go 1.14
 github.com/blang/semver/v4
-# github.com/cert-manager/cert-manager v1.19.2
+# github.com/cert-manager/cert-manager v1.19.3
 ## explicit; go 1.25.0
 github.com/cert-manager/cert-manager/pkg/apis/acme
 github.com/cert-manager/cert-manager/pkg/apis/acme/v1