diff --git a/python/requirements.txt b/python/requirements.txt
index 5822e6f..440040b 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -10,7 +10,7 @@ networkx>=1.8.1
 nose>=1.3.0
 pandas>=0.12.0
 python-dateutil>=1.4,<2
-protobuf==2.6.1
+protobuf==5.29.6
 python-gflags>=2.0
 pyyaml>=3.10
 Pillow>=2.3.0