diff --git a/requirements.txt b/requirements.txt
index 208928e..b0f6eb0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -42,7 +42,7 @@ multidict==5.1.0
 packaging==20.9
 pluggy==0.13.1
 proto-plus==1.13.0
-protobuf==3.14.0
+protobuf==3.18.3
 py==1.10.0
 pyasn1==0.4.8
 pyasn1-modules==0.2.8