diff --git a/kmip/__init__.py b/kmip/__init__.py
index 13022f4..7d978e1 100644
--- a/kmip/__init__.py
+++ b/kmip/__init__.py
@@ -17,9 +17,11 @@ import logging.config
 import os
 import sys
 
-version = os.path.join(os.path.dirname(
+# Dynamically set __version__
+version_path = os.path.join(os.path.dirname(
     os.path.realpath(__file__)), 'version.py')
-exec(open(version).read())
+with open(version_path, 'r') as version_file:
+    exec(version_file.read())
 
 path = os.path.join(os.path.dirname(__file__), 'logconfig.ini')
 
diff --git a/setup.py b/setup.py
index 0f7a140..a18acf2 100644
--- a/setup.py
+++ b/setup.py
@@ -16,9 +16,11 @@
 import os
 import setuptools
 
-version = os.path.join(os.path.dirname(
+# Dynamically set __version__
+version_path = os.path.join(os.path.dirname(
     os.path.realpath(__file__)), 'kmip', 'version.py')
-exec(open(version).read())
+with open(version_path, 'r') as version_file:
+    exec(version_file.read())
 
 setuptools.setup(
     name='PyKMIP',