From ba8e45b395d032393075fdcce845dbde4484ef28 Mon Sep 17 00:00:00 2001
From: "R. Ryantm" <ryantm-bot@ryantm.com>
Date: Fri, 26 Jun 2026 05:38:59 +0000
Subject: [PATCH] cudaPackages.nccl-tests: 2.18.5 -> 2.19.1

---
 pkgs/development/cuda-modules/packages/nccl-tests.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/cuda-modules/packages/nccl-tests.nix b/pkgs/development/cuda-modules/packages/nccl-tests.nix
index 349bbf7cec7e..732a0242c400 100644
--- a/pkgs/development/cuda-modules/packages/nccl-tests.nix
+++ b/pkgs/development/cuda-modules/packages/nccl-tests.nix
@@ -30,13 +30,13 @@ backendStdenv.mkDerivation (finalAttrs: {
   # NOTE: Depends on the CUDA package set, so use cudaNamePrefix.
   name = "${cudaNamePrefix}-${finalAttrs.pname}-${finalAttrs.version}";
   pname = "nccl-tests";
-  version = "2.18.5";
+  version = "2.19.1";
 
   src = fetchFromGitHub {
     owner = "NVIDIA";
     repo = "nccl-tests";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-XH5/hS1oy1V8w4nIx7+RRaiUrOIPDGwLSFpVKSnOOJE=";
+    hash = "sha256-eRwIl646ndISFttjG5nPqsXfPVmInABNIsphhh5I0wM=";
   };
 
   postPatch = ''