diff --git a/setup.py b/setup.py
index d9002fdb91..533ffa97f0 100755
--- a/setup.py
+++ b/setup.py
@@ -37,7 +37,8 @@
 
 
 def read(f):
-    return open(f, 'r', encoding='utf-8').read()
+    with open(f, 'r', encoding='utf-8') as file:
+        return file.read()
 
 
 def get_version(package):