diff --git a/pkgs/development/python-modules/torchtitan/default.nix b/pkgs/development/python-modules/torchtitan/default.nix
index 44bb493de581..e7e16da4040f 100644
--- a/pkgs/development/python-modules/torchtitan/default.nix
+++ b/pkgs/development/python-modules/torchtitan/default.nix
@@ -22,6 +22,7 @@
   # tests
   pytestCheckHook,
   tomli-w,
+  triton,
   writableTmpDirAsHomeHook,
 }:
 
@@ -60,6 +61,7 @@ buildPythonPackage (finalAttrs: {
     pytestCheckHook
     tomli-w
     transformers
+    triton
     writableTmpDirAsHomeHook
   ];