diff --git a/pkgs/development/python-modules/aiocoap/default.nix b/pkgs/development/python-modules/aiocoap/default.nix
index 59d4912c64d1..109627e26ce2 100644
--- a/pkgs/development/python-modules/aiocoap/default.nix
+++ b/pkgs/development/python-modules/aiocoap/default.nix
@@ -19,7 +19,7 @@
 
 buildPythonPackage rec {
   pname = "aiocoap";
-  version = "0.4.11";
+  version = "0.4.12";
   pyproject = true;
 
   disabled = pythonOlder "3.7";
@@ -28,7 +28,7 @@ buildPythonPackage rec {
     owner = "chrysn";
     repo = "aiocoap";
     tag = version;
-    hash = "sha256-a2qhMDFkRbMK4+xvPc140i0lPaWbTWeFlpvdLaNtOxA=";
+    hash = "sha256-yy9TsNTdk7kfLilXsjDCVAe1C3O70P09It71zU26PKo=";
   };
 
   build-system = [ setuptools ];