diff --git a/requirements_dev.txt b/requirements_dev.txt
index 5900323..a3715a5 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,4 +1,4 @@
-aiohttp==3.8.4; python_version >= "3.6"
+aiohttp==3.8.5; python_version >= "3.6"
 aiosignal==1.3.1; python_version >= "3.6"
 async-timeout==4.0.2; python_version >= "3.6"
 asynctest==0.13.0; python_version < "3.8" and python_version >= "3.6"