diff --git a/pkgs/development/python-modules/mt-940/default.nix b/pkgs/development/python-modules/mt-940/default.nix
index f3965b8a74a..e7f382f8ac7 100644
--- a/pkgs/development/python-modules/mt-940/default.nix
+++ b/pkgs/development/python-modules/mt-940/default.nix
@@ -3,12 +3,12 @@
 }:
 
 buildPythonPackage rec {
-  version = "4.15.0";
+  version = "4.18.0";
   pname = "mt-940";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "4c1d5c23a9c3fec12a61ce3f61d8be107b4693be4a4b97381eca23f4a4dca8ed";
+    sha256 = "e5b6469e9bc64522125efae1de0e557f76884c961f122028098533d6f2a98f23";
   };
 
   propagatedBuildInputs = lib.optional (!isPy3k) enum34;