diff --git a/pkgs/development/python-modules/mido/default.nix b/pkgs/development/python-modules/mido/default.nix
index 33b06eadfbd3..34227c595d3f 100644
--- a/pkgs/development/python-modules/mido/default.nix
+++ b/pkgs/development/python-modules/mido/default.nix
@@ -28,14 +28,14 @@
 
 buildPythonPackage rec {
   pname = "mido";
-  version = "1.3.2";
+  version = "1.3.3";
   pyproject = true;
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-Ouootu1zD3N9WxLaNXjevp3FAFj6Nw/pzt7ZGJtnw0g=";
+    hash = "sha256-GuyzC38oJATxfkN2jL90pqMb8is7eDvdEXoc6dIst0w=";
   };
 
   patches = [