diff --git a/pkgs/development/python-modules/asyncstdlib/default.nix b/pkgs/development/python-modules/asyncstdlib/default.nix
index c31beceb1496..ce03b6ac4bfd 100644
--- a/pkgs/development/python-modules/asyncstdlib/default.nix
+++ b/pkgs/development/python-modules/asyncstdlib/default.nix
@@ -8,7 +8,7 @@
 
 buildPythonPackage rec {
   pname = "asyncstdlib";
-  version = "3.12.2";
+  version = "3.12.3";
   pyproject = true;
 
   disabled = pythonOlder "3.9";
@@ -17,7 +17,7 @@ buildPythonPackage rec {
     owner = "maxfischer2781";
     repo = "asyncstdlib";
     rev = "refs/tags/v${version}";
-    hash = "sha256-5DQM8m3aeCZAXOi+Rm+iM409juBBYdZDNqBAbhyTm/M=";
+    hash = "sha256-OLb4+7FFeVDW0ePyVJW8aaosouxlU/4Uq2ktvVLpDFY=";
   };
 
   build-system = [