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 = ''
diff --git a/pkgs/servers/home-assistant/default.nix b/pkgs/servers/home-assistant/default.nix
index 89d05b2260c6..6eca3b16bdf6 100644
--- a/pkgs/servers/home-assistant/default.nix
+++ b/pkgs/servers/home-assistant/default.nix
@@ -70,7 +70,7 @@ let
           pname = "pytest-aiohttp";
           hash = "sha256-ySmFQzljeXc3WDhwO2L+9jUoWYvAqdRRY566lfSqpE8=";
         };
-        propagatedBuildInputs = with python3.pkgs; [ aiohttp pytest ];
+        propagatedBuildInputs = with self; [ aiohttp pytest ];
         doCheck = false;
         patches = [];
       });
@@ -259,6 +259,7 @@ in python.pkgs.buildPythonApplication rec {
 
   postPatch = let
     relaxedConstraints = [
+      "aiohttp"
       "attrs"
       "awesomeversion"
       "bcrypt"