diff --git a/setup.py b/setup.py
index 238df87..9cc5014 100644
--- a/setup.py
+++ b/setup.py
@@ -12,6 +12,6 @@
     description='MongoDB oplog replay utility.',
     long_description=open('README.txt').read(),
     install_requires=[
-        "pymongo == 2.1.1"
+        "pymongo == 2.5.2"
     ],
 )
\ No newline at end of file