diff --git a/18-asyncio/charfinder/requirements.txt b/18-asyncio/charfinder/requirements.txt
index 7a37a73..8af2445 100644
--- a/18-asyncio/charfinder/requirements.txt
+++ b/18-asyncio/charfinder/requirements.txt
@@ -1 +1 @@
-aiohttp==3.7.4
+aiohttp==3.8.5