diff --git a/requirements.txt b/requirements.txt
index b6b26ee..7ff86a7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ future==0.18.2
 idna==2.10
 mysql-connector-python==8.0.23
 pefile==2019.4.18
-protobuf==3.15.6
+protobuf==3.18.3
 pycparser==2.20
 pyinstaller==4.3
 pyinstaller-hooks-contrib==2021.1