diff --git a/k8s/argo-apps/portainer.yaml b/k8s/argo-apps/portainer.yaml
index 69ad625..b2f201b 100644
--- a/k8s/argo-apps/portainer.yaml
+++ b/k8s/argo-apps/portainer.yaml
@@ -15,7 +15,7 @@ spec:
   sources:
     - repoURL: https://portainer.github.io/k8s/
       chart: portainer
-      targetRevision: 2.33.*
+      targetRevision: 2.39.*
       helm:
         valuesObject:
           service: