diff --git a/pkgs/development/python-modules/clickhouse-cityhash/default.nix b/pkgs/development/python-modules/clickhouse-cityhash/default.nix
index 87094e3f5244..1ef113b016a6 100644
--- a/pkgs/development/python-modules/clickhouse-cityhash/default.nix
+++ b/pkgs/development/python-modules/clickhouse-cityhash/default.nix
@@ -3,6 +3,7 @@
   buildPythonPackage,
   cython,
   fetchPypi,
+  fetchpatch,
   pythonOlder,
   setuptools,
 }:
@@ -24,6 +25,15 @@ buildPythonPackage rec {
     setuptools
   ];
 
+  patches = [
+    (fetchpatch {
+      # Cython 3.1 removed long() function.
+      # https://github.com/xzkostyan/clickhouse-cityhash/pull/6
+      url = "https://github.com/thevar1able/clickhouse-cityhash/commit/1109fc80e24cb44ec9ee2885e1e5cce7141c7ad8.patch";
+      hash = "sha256-DcmASvDK160IokC5OuZoXpAHKbBOReGs96SU7yW9Ncc=";
+    })
+  ];
+
   doCheck = false;
 
   pythonImportsCheck = [ "clickhouse_cityhash" ];