diff --git a/pyproject.toml b/pyproject.toml
index 9b7ce731..4eff6f1f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,6 +51,7 @@ test = [
 optional = [
     "streamlit",
     "boto3",
+    "botorch",
 ]