diff --git a/requirements.txt b/requirements.txt
index 455f3e5..aaa0ec0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 requests==2.24.0
 urllib3==1.25.9
 google_api_python_client==1.10.0
-protobuf==3.12.2
+protobuf==3.18.3
 pymongo[srv]==3.10.1
 toml==0.10.1
 python-telegram-bot==12.8