diff --git a/requirements.txt b/requirements.txt
index b5261a3..81408c9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 fastdtw>=0.3.4
 matplotlib>=3.2.1,<=3.5.3
 numpy>=1.18.2,<=1.19
-opencv-python==4.2.0.34
+opencv-python==4.8.1.78
 pandas==1.0.3
 PyYAML>=5.4
 scikit-learn>=0.22.2.post1