diff --git a/requirements.txt b/requirements.txt
index a640748a781e415f87d2092db720202066e8c262..c8dfbe2667d552d5ca8afc90b909930a1443d3e8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,5 +7,5 @@ tqdm
 numpy
 visualdl
 python-Levenshtein
-opencv-contrib-python==4.4.0.46
+opencv-contrib-python==4.2.0.32
 Cython
\ No newline at end of file