diff --git a/pkgs/development/python-modules/cupy/default.nix b/pkgs/development/python-modules/cupy/default.nix
index 44d258a3de55..3a3aeb7b2267 100644
--- a/pkgs/development/python-modules/cupy/default.nix
+++ b/pkgs/development/python-modules/cupy/default.nix
@@ -6,11 +6,11 @@
 
 buildPythonPackage rec {
   pname = "cupy";
-  version = "2.5.0";
+  version = "4.1.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "60e36add95b0bc15f0863e7b4a425c00111dab0985075a96ede689510a9c56be";
+    sha256 = "3e714fa21401ab1d278b648543fae56fbce97e389076ebf03b4189f88c2d61e0";
   };
 
   checkInputs = [