diff --git a/notebooks/comfyui_colab.ipynb b/notebooks/comfyui_colab.ipynb
index 4fdccaac..ec83265b 100644
--- a/notebooks/comfyui_colab.ipynb
+++ b/notebooks/comfyui_colab.ipynb
@@ -47,7 +47,7 @@
         "  !git pull\n",
         "\n",
         "!echo -= Install dependencies =-\n",
-        "!pip install xformers!=0.0.18 -r requirements.txt --extra-index-url https://download.pytorch.org/whl/cu118 --extra-index-url https://download.pytorch.org/whl/cu117"
+        "!pip install xformers!=0.0.18 -r requirements.txt --extra-index-url https://download.pytorch.org/whl/cu121 --extra-index-url https://download.pytorch.org/whl/cu118 --extra-index-url https://download.pytorch.org/whl/cu117"
       ]
     },
     {