diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 16ed4a73535..bf058c202b9 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -9445,6 +9445,22 @@ let
     };
   };
 
+  PyStemmer = buildPythonPackage (rec {
+    name = "PyStemmer-1.3.0";
+
+    src = pkgs.fetchurl {
+      url = "http://pypi.python.org/packages/source/P/PyStemmer/${name}.tar.gz";
+      md5 = "46ee623eeeba5a7cc0d95cbfa7e18abd";
+    };
+
+    meta = with stdenv.lib; {
+      description = "Snowball stemming algorithms, for information retrieval";
+      homepage = http://snowball.tartarus.org/;
+      license = licenses.mit;
+      platforms = platforms.unix;
+    };
+  });
+
   pyro3 = buildPythonPackage (rec {
     name = "Pyro-3.16";
     disabled = isPy3k;