diff --git a/pkgs/development/python-modules/phonopy/default.nix b/pkgs/development/python-modules/phonopy/default.nix
index 0350be43ff70..9007c3eec672 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 = "2.19.1";
+  version = "2.20.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-ObQuPCDjpjjz4mq831IsU0muNMlDZVoNFAX6PUCTVbU=";
+    hash = "sha256-peL50b1u+tBRxt/U2SloRvS9LTeMXEjrF5F3ZWhJmZ4=";
   };
 
   propagatedBuildInputs = [