diff --git a/requirements.txt b/requirements.txt
index c90725183255bf5cb9f789b73c010dd9a7e406c2..254c59c5ca809422a34a81260033f2ea1a25c07a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ tqdm
 PyYAML>=5.1
 visualdl>=2.2.0
 scipy>=1.0.0
-scikit-learn>=1.0.2
+scikit-learn>=0.21.0
 gast==0.3.3
 faiss-cpu==1.7.1.post2
 easydict