diff --git a/requirements_alt.txt b/requirements_alt.txt
index 74cefbb..961642b 100644
--- a/requirements_alt.txt
+++ b/requirements_alt.txt
@@ -3,7 +3,7 @@ requests==2.22.0
 tensorpack==0.9.8
 setuptools==41.2.0
 six==1.12.0
-opencv_python==4.0.0.21
+opencv_python==4.1.1.26
 tensorflow_gpu==1.12.0
 matplotlib==3.1.1
 psutil==5.6.6