diff --git a/requirements.txt b/requirements.txt
index 7fa708b2441229bb5e89385508199f0028805e5e..4fd1f37370da61f6d281771094daf2064e27aa51 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,9 +4,8 @@ opencv-python==4.4.0.46
 pillow
 tqdm
 PyYAML
-visualdl >= 2.2.0
+visualdl>=2.2.0
 scipy
-scikit-learn==0.23.2
+scikit-learn>=0.21.0
 gast==0.3.3
 faiss-cpu==1.7.1.post2
-scikit-learn==0.23.2
\ No newline at end of file