diff --git a/apps/system/cert-manager.yaml b/apps/system/cert-manager.yaml
index 2817c34..f04fe31 100644
--- a/apps/system/cert-manager.yaml
+++ b/apps/system/cert-manager.yaml
@@ -17,7 +17,7 @@ spec:
   source:
     chart: cert-manager
     repoURL: https://charts.jetstack.io
-    targetRevision: 1.15.0
+    targetRevision: 1.15.3
     helm:
       releaseName: cert-manager
       valuesObject: