diff --git a/contrib/requirements/requirements.txt b/contrib/requirements/requirements.txt
index 031fb19eb..8fb074337 100644
--- a/contrib/requirements/requirements.txt
+++ b/contrib/requirements/requirements.txt
@@ -9,4 +9,4 @@ aiohttp>=3.3.0,<4.0.0
 aiohttp_socks>=0.3
 certifi
 bitstring
-attrs
+attrs>=19.2.0