diff --git a/pkgs/development/python-modules/python-crfsuite/default.nix b/pkgs/development/python-modules/python-crfsuite/default.nix
index 5debefcbb3973..ae56a4e20418c 100644
--- a/pkgs/development/python-modules/python-crfsuite/default.nix
+++ b/pkgs/development/python-modules/python-crfsuite/default.nix
@@ -3,16 +3,18 @@
   buildPythonPackage,
   fetchPypi,
   pytestCheckHook,
+  cython,
 }:
 
 buildPythonPackage rec {
   pname = "python-crfsuite";
-  version = "0.9.10";
+  version = "0.9.11";
   format = "setuptools";
 
   src = fetchPypi {
-    inherit pname version;
-    hash = "sha256-84UkYx4rUzNB8Q8sd2iScNxuzVmFSV3M96o3sQRbwuU=";
+    inherit version;
+    pname = "python_crfsuite";
+    hash = "sha256-bv+WXKcFZzltgiyaNep0sPftsn2UcVJJl72r56baX1o=";
   };
 
   preCheck = ''
@@ -20,6 +22,10 @@ buildPythonPackage rec {
     rm -r pycrfsuite
   '';
 
+  build-system = [
+    cython
+  ];
+
   nativeCheckInputs = [ pytestCheckHook ];
 
   pythonImportsCheck = [ "pycrfsuite" ];