diff --git a/pkgs/development/python-modules/iminuit/default.nix b/pkgs/development/python-modules/iminuit/default.nix
index d5337c0b1946..f0b744bfbcaf 100644
--- a/pkgs/development/python-modules/iminuit/default.nix
+++ b/pkgs/development/python-modules/iminuit/default.nix
@@ -9,14 +9,14 @@
 
 buildPythonPackage rec {
   pname = "iminuit";
-  version = "2.12.1";
+  version = "2.13.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-+le1b3wpze7QL5U1p7ZYB6zWoZfyCIUQlIIiLxoCPt4=";
+    hash = "sha256-40eFwqLArqb/hmcv6BuAoErJ1Cp57YJJYw8lKaj2oPo=";
   };
 
   nativeBuildInputs = [