diff --git a/pkgs/development/python-modules/phonopy/default.nix b/pkgs/development/python-modules/phonopy/default.nix
index 24a3f54f6b46..16cd906ee1e5 100644
--- a/pkgs/development/python-modules/phonopy/default.nix
+++ b/pkgs/development/python-modules/phonopy/default.nix
@@ -13,14 +13,14 @@
 
 buildPythonPackage rec {
   pname = "phonopy";
-  version = "2.21.0";
+  version = "2.21.1";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-WAWxgLwChQrwutpRsJtDUoNnwek6RpZB+9JtUFdr/pw=";
+    hash = "sha256-k9DyPb0IUYHuB99wpNUIt76D66M9/wz/CdXq8Kapv2E=";
   };
 
   propagatedBuildInputs = [