diff --git a/topology/Lehigh University/Lehigh - Hawk/Lehigh - Hawk_downtime.yaml b/topology/Lehigh University/Lehigh - Hawk/Lehigh - Hawk_downtime.yaml
index 151fa610e..39d0b27d5 100644
--- a/topology/Lehigh University/Lehigh - Hawk/Lehigh - Hawk_downtime.yaml	
+++ b/topology/Lehigh University/Lehigh - Hawk/Lehigh - Hawk_downtime.yaml	
@@ -97,4 +97,15 @@
   Services:
   - XRootD cache server
 # ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1830324854
+  Description: Upgrade CE from CentOS 7 to Alma 9 and OSG from 3.6 to 23
+  Severity: Outage
+  StartTime: Jun 12, 2024 13:00 +0000
+  EndTime: Jun 13, 2024 16:00 +0000
+  CreatedTime: Jun 10, 2024 15:14 +0000
+  ResourceName: LEHIGH-HAWK-CE
+  Services:
+  - CE
+# ---------------------------------------------------------