diff --git a/eng/CredScanSuppression.json b/eng/CredScanSuppression.json
index 2b16a97b7098..2a4a76ebfbe2 100644
--- a/eng/CredScanSuppression.json
+++ b/eng/CredScanSuppression.json
@@ -31,7 +31,8 @@
         "SecretPlaceholder",
         "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjM2MDB9.adM-ddBZZlQ1WlN3pdPBOF5G4Wh9iZpxNP_fSvpF4cWs",
         "Resource",
-        "sanitized.${expiryReplacement}.sanitized"
+        "sanitized.${expiryReplacement}.sanitized",
+        "123456789"
       ],
       "_justification": "Secret used by test code, it is fake."
     },