diff --git a/pkgs/development/python-modules/aiohttp/default.nix b/pkgs/development/python-modules/aiohttp/default.nix
index 90a7b41f7c1..e18d4e5e690 100644
--- a/pkgs/development/python-modules/aiohttp/default.nix
+++ b/pkgs/development/python-modules/aiohttp/default.nix
@@ -25,13 +25,13 @@
 
 buildPythonPackage rec {
   pname = "aiohttp";
-  version = "3.6.3";
+  version = "3.7.3";
   # https://github.com/aio-libs/aiohttp/issues/4525 python3.8 failures
   disabled = pythonOlder "3.5";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "698cd7bc3c7d1b82bb728bae835724a486a8c376647aec336aa21a60113c3645";
+    sha256 = "9c1a81af067e72261c9cbe33ea792893e83bc6aa987bfbd6fdc1e5e7b22777c4";
   };
 
   checkInputs = [