diff --git a/setup.py b/setup.py
index 0443e79..51e3749 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@
     )
 
 
-with open('README.rst', encoding="utf-8") as f:
+with open('README.rst', encoding='utf-8') as f:
     long_description = f.read()