diff --git a/requirements.txt b/requirements.txt
index e168630..a58eb59 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ Jinja2==2.10
 MarkupSafe==1.0
 numpy==1.15.0
 opencv-contrib-python==3.4.2.17
-opencv-contrib-python-headless==3.4.2.17
+opencv-contrib-python-headless==4.1.2.30
 opencv-python==3.4.2.17
 opencv-python-headless==3.4.2.17
 opencv-utils==0.0.2