diff --git a/cert-manager/issuers.yaml b/cert-manager/issuers.yaml
index 39f3ad6..7a6d6c4 100644
--- a/cert-manager/issuers.yaml
+++ b/cert-manager/issuers.yaml
@@ -1,4 +1,4 @@
-apiVersion: cert-manager.io/v1alpha2
+apiVersion: cert-manager.io/v1
 kind: ClusterIssuer
 metadata:
   name: letsencrypt-prod
@@ -19,7 +19,7 @@ spec:
         ingress:
           class: traefik
 ---
-apiVersion: cert-manager.io/v1alpha2
+apiVersion: cert-manager.io/v1
 kind: ClusterIssuer
 metadata:
   name: letsencrypt-staging
diff --git a/mosquitto/certificate.yaml b/mosquitto/certificate.yaml
index 08ff6f5..d6d7b89 100644
--- a/mosquitto/certificate.yaml
+++ b/mosquitto/certificate.yaml
@@ -1,4 +1,4 @@
-apiVersion: cert-manager.io/v1alpha2
+apiVersion: cert-manager.io/v1
 kind: Certificate
 metadata:
   name: mosquitto-tls