diff --git a/requirements/requirements-rotbaum.txt b/requirements/requirements-rotbaum.txt
index b83c9ab681..4c597d89ad 100644
--- a/requirements/requirements-rotbaum.txt
+++ b/requirements/requirements-rotbaum.txt
@@ -1,2 +1,2 @@
-xgboost>=0.90
-scikit-learn~=0.22
+xgboost>=0.90,<2
+scikit-learn>=0.22,<2