diff --git a/repos/lopq/python/requirements.txt b/repos/lopq/python/requirements.txt
index 4c7bd1806..47c1fcf11 100644
--- a/repos/lopq/python/requirements.txt
+++ b/repos/lopq/python/requirements.txt
@@ -1,4 +1,4 @@
 nose>=1.3.4
-protobuf>=2.6
+protobuf>=6.33.5
 scikit-learn>=0.15
 lmdb>=0.87
\ No newline at end of file