diff --git a/flow/designs/gf12/ca53/rules-base.json b/flow/designs/gf12/ca53/rules-base.json
index 4353b3cfd5..32bb6bc887 100644
--- a/flow/designs/gf12/ca53/rules-base.json
+++ b/flow/designs/gf12/ca53/rules-base.json
@@ -102,7 +102,7 @@
         "compare": ">="
     },
     "finish__timing__hold__tns": {
-        "value": -1600.0,
+        "value": -2520.0,
         "compare": ">="
     },
     "finish__design__instance__area": {