diff --git a/charts/base-cluster/values.yaml b/charts/base-cluster/values.yaml
index b36d93d232..d35bc142e9 100644
--- a/charts/base-cluster/values.yaml
+++ b/charts/base-cluster/values.yaml
@@ -117,7 +117,7 @@ global:
     bitnami:
       url: oci://docker.io/bitnamicharts
       charts:
-        oauth2-proxy: 5.x
+        oauth2-proxy: 6.x
         metrics-server: 7.x
         external-dns: 8.x
         grafana-tempo: 3.x