diff --git a/python/pyrightconfig.json b/python/pyrightconfig.json
index c9b9cd4c7..4a6906666 100644
--- a/python/pyrightconfig.json
+++ b/python/pyrightconfig.json
@@ -4,6 +4,7 @@
         "tools",
         "helper-scripts"
     ],
+    "pythonVersion": "3.6",
     "typeCheckingMode": "basic",
     "reportMissingImports": false,
     "reportUntypedFunctionDecorator": true,