diff --git a/pkgs/development/python-modules/holidays/default.nix b/pkgs/development/python-modules/holidays/default.nix
index 789dc57a571a..3ac51ac050fb 100644
--- a/pkgs/development/python-modules/holidays/default.nix
+++ b/pkgs/development/python-modules/holidays/default.nix
@@ -3,25 +3,46 @@
 , fetchPypi
 , convertdate
 , dateutil
+, hijri-converter
 , korean-lunar-calendar
 , six
+, python
+, flake8
 }:
 
 buildPythonPackage rec {
   pname = "holidays";
-  version = "0.10.3";
+  version = "0.10.5.2";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "839281f2b1ae7ac576da7951472482f6e714818296853107ea861fa60f5013cc";
+    sha256 = "0g4hqbb94cwxlcwsjzrzxzlann1ks2r4mgnfzqz74a2rg1nih5zd";
   };
 
+  postPatch = ''
+    # ignore too long line issues
+    # https://github.com/dr-prodigy/python-holidays/issues/423
+    substituteInPlace tests.py \
+      --replace "flake8.get_style_guide(ignore=[" "flake8.get_style_guide(ignore=['E501', "
+  '';
+
+
   propagatedBuildInputs = [
     convertdate
     dateutil
+    hijri-converter
     korean-lunar-calendar
     six
   ];
+
+  checkInputs = [
+    flake8
+  ];
+
+  checkPhase = ''
+    ${python.interpreter} -m unittest
+  '';
+
   pythonImportsCheck = [ "holidays" ];
 
   meta = with lib; {