diff --git a/install/roles/tealc/templates/cluster-monitoring-cm.yaml.j2 b/install/roles/tealc/templates/cluster-monitoring-cm.yaml.j2
index 33e7688b..0503517c 100644
--- a/install/roles/tealc/templates/cluster-monitoring-cm.yaml.j2
+++ b/install/roles/tealc/templates/cluster-monitoring-cm.yaml.j2
@@ -17,4 +17,4 @@ data:
           storageClassName: standard-csi
           resources:
             requests:
-              storage: 40Gi
+              storage: 100Gi