diff --git a/setup.py b/setup.py
index d9eb6ca..55ba4f6 100644
--- a/setup.py
+++ b/setup.py
@@ -14,9 +14,9 @@ with open('README.md', 'r', encoding='utf-8') as f:
     readme = f.read()
 
 REQUIRES = [
-    "opencv_python==4.0.0.21 "
-    "localpubsub==0.0.3 ",
-    "numpy==1.16.1 "
+    'opencv_python == 4.0.0.21'
+    'localpubsub == 0.0.3',
+    'numpy == 1.16.1'
 ]
 
 setup(