diff --git a/pkgs/test/cuda/cuda-samples/extension.nix b/pkgs/test/cuda/cuda-samples/extension.nix
index 05861ee5e0eb..1878f3e0d733 100644
--- a/pkgs/test/cuda/cuda-samples/extension.nix
+++ b/pkgs/test/cuda/cuda-samples/extension.nix
@@ -14,6 +14,7 @@ final: prev: let
     "11.7" = throw "The tag 11.7 of cuda-samples does not exist";
     "11.8" = "sha256-7+1P8+wqTKUGbCUBXGMDO9PkxYr2+PLDx9W2hXtXbuc=";
     "12.0" = "sha256-Lj2kbdVFrJo5xPYPMiE4BS7Z8gpU5JLKXVJhZABUe/g=";
+    "12.1" = "sha256-xE0luOMq46zVsIEWwK4xjLs7NorcTIi9gbfZPVjIlqo=";
   }.${prev.cudaVersion};
 
 in {