diff --git a/docs/book/src/component-config-tutorial/testdata/project/test/utils/utils.go b/docs/book/src/component-config-tutorial/testdata/project/test/utils/utils.go
index 0c91bc93d22..a6d73342ba2 100644
--- a/docs/book/src/component-config-tutorial/testdata/project/test/utils/utils.go
+++ b/docs/book/src/component-config-tutorial/testdata/project/test/utils/utils.go
@@ -30,7 +30,7 @@ const (
 	prometheusOperatorURL     = "https://github.com/prometheus-operator/prometheus-operator/" +
 		"releases/download/%s/bundle.yaml"
 
-	certmanagerVersion = "v1.5.3"
+	certmanagerVersion = "v1.14.4"
 	certmanagerURLTmpl = "https://github.com/jetstack/cert-manager/releases/download/%s/cert-manager.yaml"
 )
 
diff --git a/docs/book/src/cronjob-tutorial/testdata/project/test/utils/utils.go b/docs/book/src/cronjob-tutorial/testdata/project/test/utils/utils.go
index 0c91bc93d22..a6d73342ba2 100644
--- a/docs/book/src/cronjob-tutorial/testdata/project/test/utils/utils.go
+++ b/docs/book/src/cronjob-tutorial/testdata/project/test/utils/utils.go
@@ -30,7 +30,7 @@ const (
 	prometheusOperatorURL     = "https://github.com/prometheus-operator/prometheus-operator/" +
 		"releases/download/%s/bundle.yaml"
 
-	certmanagerVersion = "v1.5.3"
+	certmanagerVersion = "v1.14.4"
 	certmanagerURLTmpl = "https://github.com/jetstack/cert-manager/releases/download/%s/cert-manager.yaml"
 )
 
diff --git a/docs/book/src/getting-started/testdata/project/test/utils/utils.go b/docs/book/src/getting-started/testdata/project/test/utils/utils.go
index 0c91bc93d22..a6d73342ba2 100644
--- a/docs/book/src/getting-started/testdata/project/test/utils/utils.go
+++ b/docs/book/src/getting-started/testdata/project/test/utils/utils.go
@@ -30,7 +30,7 @@ const (
 	prometheusOperatorURL     = "https://github.com/prometheus-operator/prometheus-operator/" +
 		"releases/download/%s/bundle.yaml"
 
-	certmanagerVersion = "v1.5.3"
+	certmanagerVersion = "v1.14.4"
 	certmanagerURLTmpl = "https://github.com/jetstack/cert-manager/releases/download/%s/cert-manager.yaml"
 )
 
diff --git a/testdata/project-v4-multigroup-with-deploy-image/test/utils/utils.go b/testdata/project-v4-multigroup-with-deploy-image/test/utils/utils.go
index 0c91bc93d22..a6d73342ba2 100644
--- a/testdata/project-v4-multigroup-with-deploy-image/test/utils/utils.go
+++ b/testdata/project-v4-multigroup-with-deploy-image/test/utils/utils.go
@@ -30,7 +30,7 @@ const (
 	prometheusOperatorURL     = "https://github.com/prometheus-operator/prometheus-operator/" +
 		"releases/download/%s/bundle.yaml"
 
-	certmanagerVersion = "v1.5.3"
+	certmanagerVersion = "v1.14.4"
 	certmanagerURLTmpl = "https://github.com/jetstack/cert-manager/releases/download/%s/cert-manager.yaml"
 )
 
diff --git a/testdata/project-v4-multigroup/test/utils/utils.go b/testdata/project-v4-multigroup/test/utils/utils.go
index 0c91bc93d22..a6d73342ba2 100644
--- a/testdata/project-v4-multigroup/test/utils/utils.go
+++ b/testdata/project-v4-multigroup/test/utils/utils.go
@@ -30,7 +30,7 @@ const (
 	prometheusOperatorURL     = "https://github.com/prometheus-operator/prometheus-operator/" +
 		"releases/download/%s/bundle.yaml"
 
-	certmanagerVersion = "v1.5.3"
+	certmanagerVersion = "v1.14.4"
 	certmanagerURLTmpl = "https://github.com/jetstack/cert-manager/releases/download/%s/cert-manager.yaml"
 )
 
diff --git a/testdata/project-v4-with-deploy-image/test/utils/utils.go b/testdata/project-v4-with-deploy-image/test/utils/utils.go
index 0c91bc93d22..a6d73342ba2 100644
--- a/testdata/project-v4-with-deploy-image/test/utils/utils.go
+++ b/testdata/project-v4-with-deploy-image/test/utils/utils.go
@@ -30,7 +30,7 @@ const (
 	prometheusOperatorURL     = "https://github.com/prometheus-operator/prometheus-operator/" +
 		"releases/download/%s/bundle.yaml"
 
-	certmanagerVersion = "v1.5.3"
+	certmanagerVersion = "v1.14.4"
 	certmanagerURLTmpl = "https://github.com/jetstack/cert-manager/releases/download/%s/cert-manager.yaml"
 )
 
diff --git a/testdata/project-v4-with-grafana/test/utils/utils.go b/testdata/project-v4-with-grafana/test/utils/utils.go
index 0c91bc93d22..a6d73342ba2 100644
--- a/testdata/project-v4-with-grafana/test/utils/utils.go
+++ b/testdata/project-v4-with-grafana/test/utils/utils.go
@@ -30,7 +30,7 @@ const (
 	prometheusOperatorURL     = "https://github.com/prometheus-operator/prometheus-operator/" +
 		"releases/download/%s/bundle.yaml"
 
-	certmanagerVersion = "v1.5.3"
+	certmanagerVersion = "v1.14.4"
 	certmanagerURLTmpl = "https://github.com/jetstack/cert-manager/releases/download/%s/cert-manager.yaml"
 )
 
diff --git a/testdata/project-v4/test/utils/utils.go b/testdata/project-v4/test/utils/utils.go
index 0c91bc93d22..a6d73342ba2 100644
--- a/testdata/project-v4/test/utils/utils.go
+++ b/testdata/project-v4/test/utils/utils.go
@@ -30,7 +30,7 @@ const (
 	prometheusOperatorURL     = "https://github.com/prometheus-operator/prometheus-operator/" +
 		"releases/download/%s/bundle.yaml"
 
-	certmanagerVersion = "v1.5.3"
+	certmanagerVersion = "v1.14.4"
 	certmanagerURLTmpl = "https://github.com/jetstack/cert-manager/releases/download/%s/cert-manager.yaml"
 )