diff --git a/requirements.txt b/requirements.txt
index 9f48dda..bb18313 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ numpy==1.18.5
 packaging==20.4
 pandas==1.0.4
 Pillow==7.1.2
-protobuf==3.12.2
+protobuf==3.18.3
 pylint==2.5.3
 pylint-django==2.0.15
 pylint-plugin-utils==0.6