diff --git a/tox.ini b/tox.ini
index 9c624b2052..4e7df11caf 100644
--- a/tox.ini
+++ b/tox.ini
@@ -90,7 +90,7 @@ commands =
     pip install 'torchvision==0.18.1+cpu' -f 'https://download.pytorch.org/whl/torch_stable.html'
     pip install 'dill>=0.3.9'
     pip install 'altair>=5.3' # needed for amtviz
-    pip install -U "sagemaker-core" # needed to keep sagemaker-core up to date
+    pip install -U "sagemaker-core<2.0.0" # needed to keep sagemaker-core up to date
 
     pytest {posargs}
 deps =