diff --git a/clusters/core/env/production/network-system/cert-manager/aws/hr.yaml b/clusters/core/env/production/network-system/cert-manager/aws/hr.yaml
index 47d89ede0..293900c3e 100644
--- a/clusters/core/env/production/network-system/cert-manager/aws/hr.yaml
+++ b/clusters/core/env/production/network-system/cert-manager/aws/hr.yaml
@@ -8,7 +8,7 @@ spec:
   chart:
     spec:
       chart: cert-manager
-      version: v1.20.2
+      version: v1.21.1
       sourceRef:
         kind: HelmRepository
         name: jetstack-charts