diff --git a/pyproject.toml b/pyproject.toml
index 96d1f51..1899018 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,6 +13,7 @@ dependencies = [
     "seaborn>=0.13",
     "dask[distributed]",
     "dask-jobqueue",
+    "bokeh!=3.0.*,>=2.4.2",
     # add others as you discover they’re imported at top level
 ]