diff --git a/Pipfile b/Pipfile
index d82e2fe..c461004 100644
--- a/Pipfile
+++ b/Pipfile
@@ -12,7 +12,7 @@ toml = ">=0.9.4"
 black = {path = ".",extras = ["d"],editable = true}
 aiohttp-cors = "*"
 typed-ast = ">=1.3.1"
-regex = "*"
+regex = ">=2019.8"
 
 [dev-packages]
 pre-commit = "*"