diff --git a/pkgs/development/python-modules/num2words/default.nix b/pkgs/development/python-modules/num2words/default.nix
index bce4c0426e40..8679da592cb6 100644
--- a/pkgs/development/python-modules/num2words/default.nix
+++ b/pkgs/development/python-modules/num2words/default.nix
@@ -7,12 +7,12 @@
 }:
 
 buildPythonPackage rec {
-  version = "0.5.10";
+  version = "0.5.11";
   pname = "num2words";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0myc27k087rhgpwn1a1dffzl32rwz6ngdbf3rm2i0zlgcxh4zk9p";
+    sha256 = "sha256-bGhOIiDYrbNhLSyAepdyzDJplj+81395ebaJp39gQ9Q=";
   };
 
   propagatedBuildInputs = [ docopt ];