diff --git a/scripts/ci/credscan/CredScanSuppressions.json b/scripts/ci/credscan/CredScanSuppressions.json
index fa0d32f8e7b..5ce22d7c067 100644
--- a/scripts/ci/credscan/CredScanSuppressions.json
+++ b/scripts/ci/credscan/CredScanSuppressions.json
@@ -653,6 +653,12 @@
         "src\\azure-cli\\azure\\cli\\command_modules\\batchai\\tests\\latest\\recordings\\test_batchai_manual_scale_scenario.yaml"
       ],
       "_justification": "[BATCHAI] request body password for testing"
+    },
+    {
+      "file": [
+        "src\\azure-cli\\azure\\cli\\command_modules\\rdbms\\flexible_server_custom_postgres.py"
+      ],
+      "_justification": "[RDBMS] False positive"
     }
   ]
 }