diff --git a/platform/cluster/flux/apps/observability/grafana/release.yaml b/platform/cluster/flux/apps/observability/grafana/release.yaml
index ba9c8c42..2b519180 100644
--- a/platform/cluster/flux/apps/observability/grafana/release.yaml
+++ b/platform/cluster/flux/apps/observability/grafana/release.yaml
@@ -90,4 +90,4 @@ spec:
         role_attribute_path: "contains(roles[*], 'ROLE_ADMIN') && 'GrafanaAdmin' || 'Viewer'"
         allow_assign_grafana_admin: true
         auto_login: true
-        use_pkce: true
+        use_pkce: false