diff --git a/argo-workflows/resources/argo-workflows-certificate.yaml b/argo-workflows/resources/argo-workflows-certificate.yaml
index 36dd5128..63be1972 100644
--- a/argo-workflows/resources/argo-workflows-certificate.yaml
+++ b/argo-workflows/resources/argo-workflows-certificate.yaml
@@ -1,4 +1,4 @@
-apiVersion: cert-manager.io/v1alpha2
+apiVersion: cert-manager.io/v1
 kind: Certificate
 metadata:
   name: argo-workflows-cert
diff --git a/argo-workflows/resources/argo-workflows-issuer.yaml b/argo-workflows/resources/argo-workflows-issuer.yaml
index 1eb21fc7..c3c083b8 100644
--- a/argo-workflows/resources/argo-workflows-issuer.yaml
+++ b/argo-workflows/resources/argo-workflows-issuer.yaml
@@ -1,4 +1,4 @@
-apiVersion: cert-manager.io/v1alpha2
+apiVersion: cert-manager.io/v1
 kind: Issuer
 metadata:
   name: argo-workflows-issuer
diff --git a/dex/dex-certificate.yaml b/dex/dex-certificate.yaml
index 39478911..d24554f9 100644
--- a/dex/dex-certificate.yaml
+++ b/dex/dex-certificate.yaml
@@ -1,4 +1,4 @@
-apiVersion: cert-manager.io/v1alpha2
+apiVersion: cert-manager.io/v1
 kind: Certificate
 metadata:
   name: dex-cert
diff --git a/dex/dex-issuer.yaml b/dex/dex-issuer.yaml
index a4a3c190..c3bd3266 100644
--- a/dex/dex-issuer.yaml
+++ b/dex/dex-issuer.yaml
@@ -1,4 +1,4 @@
-apiVersion: cert-manager.io/v1alpha2
+apiVersion: cert-manager.io/v1
 kind: Issuer
 metadata:
   name: dex-issuer
diff --git a/prometheus-operator/resources/grafana-certificate.yaml b/prometheus-operator/resources/grafana-certificate.yaml
index da508b18..3994b6b0 100644
--- a/prometheus-operator/resources/grafana-certificate.yaml
+++ b/prometheus-operator/resources/grafana-certificate.yaml
@@ -1,4 +1,4 @@
-apiVersion: cert-manager.io/v1alpha2
+apiVersion: cert-manager.io/v1
 kind: Certificate
 metadata:
   name: grafana-cert
diff --git a/prometheus-operator/resources/grafana-issuer.yaml b/prometheus-operator/resources/grafana-issuer.yaml
index 4863788a..20a1b63b 100644
--- a/prometheus-operator/resources/grafana-issuer.yaml
+++ b/prometheus-operator/resources/grafana-issuer.yaml
@@ -1,4 +1,4 @@
-apiVersion: cert-manager.io/v1alpha2
+apiVersion: cert-manager.io/v1
 kind: Issuer
 metadata:
   name: grafana-issuer