diff --git a/pkgs/development/python-modules/aiostream/default.nix b/pkgs/development/python-modules/aiostream/default.nix
index e6f7900a0b934d5..4c03576350c646b 100644
--- a/pkgs/development/python-modules/aiostream/default.nix
+++ b/pkgs/development/python-modules/aiostream/default.nix
@@ -11,7 +11,7 @@
 
 buildPythonPackage rec {
   pname = "aiostream";
-  version = "0.6.2";
+  version = "0.6.3";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -20,7 +20,7 @@ buildPythonPackage rec {
     owner = "vxgmichel";
     repo = "aiostream";
     rev = "refs/tags/v${version}";
-    hash = "sha256-uMK3WFO4IvrI7QBGiu1MOInRfGgdWufe4zefmT1Bjv0=";
+    hash = "sha256-MssA4gDo79mlHjVwQAxhX6DZPHB4Quo6V05Nye91oJg=";
   };
 
   postPatch = ''