diff --git a/pkgs/development/python-modules/korean-lunar-calendar/default.nix b/pkgs/development/python-modules/korean-lunar-calendar/default.nix
index a1b22a727ad8..c4a1672dd5e1 100644
--- a/pkgs/development/python-modules/korean-lunar-calendar/default.nix
+++ b/pkgs/development/python-modules/korean-lunar-calendar/default.nix
@@ -5,12 +5,12 @@
 
 buildPythonPackage rec {
   pname = "korean-lunar-calendar";
-  version = "0.2.1";
+  version = "0.3.1";
 
   src = fetchPypi {
     inherit version;
     pname = "korean_lunar_calendar";
-    sha256 = "0p97r21298ipgvsqh978aq2n6cvybzp8bskcvj15mm1f76qm9khj";
+    sha256 = "sha256-6yxIUSSgYQFpJr3qbYnv35uf2/FttViVts8eW+wXuFc=";
   };
 
   # no real tests