diff --git a/continuous_integration/environment-3.9.yaml b/continuous_integration/environment-3.9.yaml
index 93786799e..b6f57e069 100644
--- a/continuous_integration/environment-3.9.yaml
+++ b/continuous_integration/environment-3.9.yaml
@@ -28,7 +28,8 @@ dependencies:
 - python=3.9
 - scikit-learn=1.0.0
 - sphinx
-- sqlalchemy
+# TODO: remove this constraint when we require pandas>2
+- sqlalchemy<2
 - tpot>=0.12.0
 # FIXME: https://github.com/fugue-project/fugue/issues/526
 - triad<0.9.2