diff --git a/pkgs/development/python-modules/aiohttp/default.nix b/pkgs/development/python-modules/aiohttp/default.nix
index bca1f6002f4e..9a6f14f765e5 100644
--- a/pkgs/development/python-modules/aiohttp/default.nix
+++ b/pkgs/development/python-modules/aiohttp/default.nix
@@ -29,12 +29,12 @@
 
 buildPythonPackage rec {
   pname = "aiohttp";
-  version = "3.8.1";
+  version = "3.8.3";
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "fc5471e1a54de15ef71c1bc6ebe80d4dc681ea600e68bfd1cbce40427f0b7578";
+    sha256 = "3828fb41b7203176b82fe5d699e0d845435f2374750a44b480ea6b930f6be269";
   };
 
   postPatch = ''