diff --git a/pkgs/development/python-modules/cupy/default.nix b/pkgs/development/python-modules/cupy/default.nix
index 94ec349e038..44e940ababa 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 = "7.5.0";
+  version = "7.7.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "243254a1607e19ca55191c4cca4c0f2b143e1d5914e2a1bc9e3f715e7ccafc41";
+    sha256 = "b4032adf839f63bab7fc9f3e7066ef86abe0928e834aa5d132e4e7ce907951ed";
   };
 
   checkInputs = [