diff --git a/pkgs/development/python-modules/cwcwidth/default.nix b/pkgs/development/python-modules/cwcwidth/default.nix
index 1959794fcc69..85d20fc6f464 100644
--- a/pkgs/development/python-modules/cwcwidth/default.nix
+++ b/pkgs/development/python-modules/cwcwidth/default.nix
@@ -2,12 +2,12 @@
 
 buildPythonPackage rec {
   pname = "cwcwidth";
-  version = "0.1.8";
+  version = "0.1.9";
   format = "pyproject";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-WtwDS3yQ5qhYa9BGvL9gBONeFrDX4x3jlVE6UNcpu/Y=";
+    hash = "sha256-8Z0RoBSNSoys0GTJbpO8qM40FaGGroIEA49F4Qjbdrg=";
   };
 
   nativeBuildInputs = [ cython setuptools ];