diff --git a/concurrency-overview/requirements.txt b/concurrency-overview/requirements.txt
index 3d5f357..5659f9b 100644
--- a/concurrency-overview/requirements.txt
+++ b/concurrency-overview/requirements.txt
@@ -1,4 +1,4 @@
-aiohttp==3.4.4
+aiohttp==3.7.4
 asks==2.0.0
 astroid==2.0.4
 async-generator==1.10