diff --git a/pkgs/development/python-modules/fastdiff/default.nix b/pkgs/development/python-modules/fastdiff/default.nix
new file mode 100644
index 000000000000..b3e27d7a5e81
--- /dev/null
+++ b/pkgs/development/python-modules/fastdiff/default.nix
@@ -0,0 +1,30 @@
+{ lib, buildPythonPackage, fetchPypi, pytestCheckHook, pytest-benchmark, wasmer }:
+
+buildPythonPackage rec {
+  pname = "fastdiff";
+  version = "0.2.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1ai95vjchl4396zjl1b69xfqvn9kn1y7c40d9l0qxdss0pcx6fk2";
+  };
+
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace 'pytest-runner' ""
+  '';
+
+  propagatedBuildInputs = [ wasmer ];
+
+  checkInputs = [ pytestCheckHook pytest-benchmark ];
+
+  pythonImportsCheck = [ "fastdiff" ];
+  disabledTests = [ "test_native" ];
+
+  meta = with lib; {
+    description = "A fast native implementation of diff algorithm with a pure Python fallback";
+    homepage = "https://github.com/syrusakbary/fastdiff";
+    license = licenses.mit;
+    maintainers = with maintainers; [ SuperSandro2000 ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 34091d7fe2eb..89c3c64db198 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2071,6 +2071,8 @@ in {
 
   fastcache = callPackage ../development/python-modules/fastcache { };
 
+  fastdiff = callPackage ../development/python-modules/fastdiff { };
+
   fastdtw = callPackage ../development/python-modules/fastdtw { };
 
   fastecdsa = callPackage ../development/python-modules/fastecdsa { };