diff --git a/setup.py b/setup.py
index 23edc7d..9c35289 100644
--- a/setup.py
+++ b/setup.py
@@ -14,25 +14,25 @@ with open('README.md', 'r') as f:
 
 
 requires = [
-    'click==6.7',
-    'matplotlib==2.2.3',
-    'numpy==1.15.2',
-    'openpyxl==2.5.8',
-    'pandas==0.23.4',
-    'pdfminer.six==20170720',
-    'PyPDF2==1.26.0'
+    'click>=6.7',
+    'matplotlib>=2.2.3',
+    'numpy>=1.15.2',
+    'openpyxl>=2.5.8',
+    'pandas>=0.23.4',
+    'pdfminer.six>=20170720',
+    'PyPDF2>=1.26.0'
 ]
 
 all_requires = [
-    'opencv-python==3.4.2.17'
+    'opencv-python>=3.4.2.17'
 ]
 
 dev_requires = [
-    'codecov==2.0.15',
-    'pytest==3.8.0',
-    'pytest-cov==2.6.0',
-    'pytest-runner==4.2',
-    'Sphinx==1.7.9'
+    'codecov>=2.0.15',
+    'pytest>=3.8.0',
+    'pytest-cov>=2.6.0',
+    'pytest-runner>=4.2',
+    'Sphinx>=1.7.9'
 ]
 dev_requires = dev_requires + all_requires
 
@@ -76,5 +76,5 @@ def setup_package():
     setup(**metadata)
 
 
-if __name__ == '__main__':
+if __name__ >= '__main__':
     setup_package()