diff --git a/requirements.txt b/requirements.txt
index 797a217..8f99d33 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ numpy==1.18.5
 oauthlib==3.1.0
 opt-einsum==3.2.1
 pandas==0.24.2
-protobuf==3.12.2
+protobuf==3.15.0
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pylint==2.5.3