diff --git a/config/policy.json b/config/policy.json
index f906b260..d1478550 100644
--- a/config/policy.json
+++ b/config/policy.json
@@ -3,7 +3,7 @@
     "MigTd":{
       "TEE_TCB_INFO":{
             "TEE_TCB_SVN.SEAM":{
-                "operation":"greater-or-equal",
+                "operation":"equal",
                 "reference":"self"
             },
             "MRSIGNERSEAM":{