diff --git a/charts/argocd-understack/values.yaml b/charts/argocd-understack/values.yaml
index a7a4776e3..9b7604da1 100644
--- a/charts/argocd-understack/values.yaml
+++ b/charts/argocd-understack/values.yaml
@@ -431,7 +431,7 @@ site:
     wave: 3
     # -- Chart version for Nova
     # renovate: datasource=helm depName=nova registryUrl=https://tarballs.opendev.org/openstack/openstack-helm
-    chartVersion: 2026.1.47+9a1e63cec
+    chartVersion: 2026.1.74+1275eff8c
 
   # -- Octavia (Load Balancer Service)
   octavia: