diff --git a/setup.py b/setup.py
index bb4fa0795..84b8bf23b 100755
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,8 @@
 
 CURDIR = dirname(abspath(__file__))
 
-execfile(join(CURDIR, 'src', 'Selenium2Library', 'version.py'))
+with open(join(CURDIR, 'src', 'Selenium2Library', 'version.py')) as f:
+    exec(f.read())
 
 DESCRIPTION = """
 Selenium2Library is a web testing library for Robot Framework