diff --git a/.gitignore b/.gitignore
index 226cc94..8200228 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,7 @@
 .vscode/
+.eggs/
 build/
 dist/
 tmp/
+wheelhouse/
 *.egg-info
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 6602f32..c86db19 100644
--- a/setup.py
+++ b/setup.py
@@ -112,8 +112,8 @@ def build_extensions(self):
     description='Vector field consensus (VFC) Python wrapper',
     long_description='',
     ext_modules=ext_modules,
-    install_requires=['pybind11>=2.4', 'opencv-python'],
-    setup_requires=['pybind11>=2.4', 'opencv-python'],
+    install_requires=['pybind11>=2.4', 'opencv-python==3.4.9.31'],
+    setup_requires=['pybind11>=2.4', 'opencv-python==3.4.9.31'],
     cmdclass={'build_ext': BuildExt},
     zip_safe=False,
     classifiers=[