diff --git a/requirements.txt b/requirements.txt
index 6a16893..cd0be7b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 numpy
-opencv-contrib-python>=4.2.0.32
+opencv-contrib-python-headless>=4.2.0.32
 scikit-surgerycore
diff --git a/setup.py b/setup.py
index f5f6cb7..a374c7b 100644
--- a/setup.py
+++ b/setup.py
@@ -52,7 +52,7 @@
 
     install_requires=[
         'numpy>=1.11',
-        'opencv-contrib-python>=4.1.1.26',
+        'opencv-contrib-python-headless>=4.1.1.26',
         'scikit-surgerycore>=0.1.0',
     ],