diff --git a/system/ArgoCD/application-argo-cd.yaml b/system/ArgoCD/application-argo-cd.yaml
index 212d994..b21c2c3 100644
--- a/system/ArgoCD/application-argo-cd.yaml
+++ b/system/ArgoCD/application-argo-cd.yaml
@@ -12,7 +12,7 @@ spec:
   - repoURL: https://argoproj.github.io/argo-helm
     chart: argo-cd
     # targetRevision: 8.1.2
-    targetRevision: 8.5.3
+    targetRevision: 8.5.6
     helm:
       valueFiles:
       - $values/system/ArgoCD/values.yaml