diff --git a/requirements.txt b/requirements.txt
index b6dd6e57b..4aabba9b5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,8 +7,8 @@ tqdm
 numpy
 visualdl
 rapidfuzz
-opencv-python
-opencv-contrib-python
+opencv-python==4.6.0.66
+opencv-contrib-python==4.6.0.66
 cython
 lxml
 premailer