diff --git a/pkgs/development/python-modules/pystemmer/default.nix b/pkgs/development/python-modules/pystemmer/default.nix
index 1d3df7dfc349..d48dc5e8cd62 100644
--- a/pkgs/development/python-modules/pystemmer/default.nix
+++ b/pkgs/development/python-modules/pystemmer/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "PyStemmer";
-  version = "1.3.0";
+  version = "2.0.0.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "d1ac14eb64978c1697fcfba76e3ac7ebe24357c9428e775390f634648947cb91";
+    sha256 = "57d1e353b11c5f90566efec7037deaa0e411b1df1e4e5522ce97d7be34b49478";
   };
 
   nativeBuildInputs = [ cython ];