diff --git a/notebooks/comfyui_colab_with_manager.ipynb b/notebooks/comfyui_colab_with_manager.ipynb
index 5aeff075..d4e26656 100644
--- a/notebooks/comfyui_colab_with_manager.ipynb
+++ b/notebooks/comfyui_colab_with_manager.ipynb
@@ -53,7 +53,9 @@
         "  !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/cu121 --extra-index-url https://download.pytorch.org/whl/cu118 --extra-index-url https://download.pytorch.org/whl/cu117\n",
+        "#Remove cu121 as it causes issues in Colab.\n",
+        "#!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\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\n",
         "\n",
         "if OPTIONS['USE_COMFYUI_MANAGER']:\n",
         "  %cd custom_nodes\n",