diff --git a/requirements.txt b/requirements.txt
index a11549c..4efaea1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -51,7 +51,7 @@ pandas==1.0.4
 pathlib==1.0.1
 Pillow==7.1.2
 pluggy==0.13.1
-protobuf==3.12.2
+protobuf==3.15.0
 py==1.8.1
 pyasn1==0.4.8
 pycparser==2.20