diff --git a/requirements.txt b/requirements.txt
index ff9bcf5b..fa3017ea 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 numpy==1.18.2
-protobuf==3.6.1
+protobuf==3.11.2
 pandas==1.0.3
 xlrd==1.1.0