diff --git a/cert-manager/plugindefinition.yaml b/cert-manager/plugindefinition.yaml
index 90e01618f..5e58c498f 100644
--- a/cert-manager/plugindefinition.yaml
+++ b/cert-manager/plugindefinition.yaml
@@ -14,7 +14,7 @@ spec:
   helmChart:
     name: cert-manager
     repository: oci://ghcr.io/cloudoperators/greenhouse-extensions/charts
-    version: 1.18.2
+    version: 1.19.3
   options:
     - name: cert-manager.installCRDs
       description: Whether to install CRDs