diff --git a/setup.py b/setup.py
index 9196310..d9eb6ca 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(