diff --git a/requirements.txt b/requirements.txt
index 576b0d9..f1300a5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ Pillow==5.2.0
 progressbar==2.5
 scipy==1.3.0
 tqdm==4.24.0
-opencv-python==3.4.2.17
+opencv-python==4.2.0.32
 pycairo==1.17.1; sys_platform == 'linux'
 pycairo>=1.18.1; sys_platform == 'win32'
 pydub==0.23.0