diff --git a/topology/Fermi National Accelerator Laboratory/FNAL USCMS Tier1/USCMS-FNAL-WC1_downtime.yaml b/topology/Fermi National Accelerator Laboratory/FNAL USCMS Tier1/USCMS-FNAL-WC1_downtime.yaml
index f1c0b4c27..c22c4b385 100644
--- a/topology/Fermi National Accelerator Laboratory/FNAL USCMS Tier1/USCMS-FNAL-WC1_downtime.yaml	
+++ b/topology/Fermi National Accelerator Laboratory/FNAL USCMS Tier1/USCMS-FNAL-WC1_downtime.yaml	
@@ -882,3 +882,15 @@
   Services:
   - CE
 # ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1467303096
+  Description: dCache upgrade
+  Severity: Severe
+  StartTime: Apr 18, 2023 13:00 +0000
+  EndTime: Apr 18, 2023 22:00 +0000
+  CreatedTime: Apr 17, 2023 11:18 +0000
+  ResourceName: USCMS-FNAL-WC1-SE
+  Services:
+  - SRMv2
+# ---------------------------------------------------------
+