diff --git a/class/defaults.yml b/class/defaults.yml
index 5a011b8..19aff04 100644
--- a/class/defaults.yml
+++ b/class/defaults.yml
@@ -37,13 +37,13 @@ parameters:
     charts:
       nextcloud:
         source: https://nextcloud.github.io/helm
-        version: 5.5.2
+        version: 9.1.0
       postgresql:
         source: https://charts.bitnami.com/bitnami
-        version: 15.5.20
+        version: 18.6.7
       redis:
         source: https://charts.bitnami.com/bitnami
-        version: 19.6.4
+        version: 25.5.3
 
     resources:
       nextcloud: