diff --git a/requirements.txt b/requirements.txt
index 9cbe5e6..de5cced 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-aiohttp==3.7.3
-asyncio==3.4.3
-requests==2.20
+aiohttp>=3.7.3
+asyncio>=3.4.3
+requests>=2.20