diff --git a/StableDiffusion.ipynb b/StableDiffusion.ipynb
index 222ac29..8ae2dcb 100644
--- a/StableDiffusion.ipynb
+++ b/StableDiffusion.ipynb
@@ -44,7 +44,7 @@ async def main():
   !rm *.deb
   await async_command_group([
     "apt -y install -qq aria2",
-    "pip install -q --pre xformers",
+    "pip install -q --pre xformers==0.0.17.dev476 -U",
     "pip install -q --pre triton",
   ])
   %cd /content