diff --git a/.gitignore b/.gitignore
index 77249ab44c..a2cb75fdbb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -51,7 +51,6 @@ src/google/protobuf/util/**/*.pb.cc
 src/google/protobuf/util/**/*.pb.h
 
 *.pyc
-*.so
 *.egg-info
 *_pb2.py
 python/*.egg