diff --git a/requirements.txt b/requirements.txt
index 10f932e8..9f75268c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 numpy>=1.20,<3
-scipy>= 1.0
-scikit-learn>=0.20
+scipy>=1.0
+scikit-learn>=0.20,<1.8
 joblib>=1.0