diff --git a/environment.yml b/environment.yml
index dbaeb2f..cece2f3 100644
--- a/environment.yml
+++ b/environment.yml
@@ -9,16 +9,16 @@ dependencies:
   # but if not and something doesn't work, upgrade pytorch, torchvision,
   # and torchaudio
 - pytorch::pytorch
-- numpy
-- pandas
-- scipy
-- scikit-learn
-- click
-- panel
+- numpy<2
+- pandas<3
+- scipy<2
+- scikit-learn<2
+- click<9
+- panel<2
 - plotly>=5.10.0
 - notebook>=5.3
 - ipywidgets>=7.5
 - ax-platform  >=0.3.1,<=0.3.5
-- ruamel.yaml
-- attrs
-- jinja2
+- ruamel.yaml<1
+- attrs<24
+- jinja2<4