diff --git a/requirements.txt b/requirements.txt
index 90ed1a0..26676a1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 pandas==0.23.0
 numpy==1.16.2
 python_dateutil==2.8.0
-protobuf==3.9.1
+protobuf==3.15.0
 scikit_learn==0.21.3
\ No newline at end of file