diff --git a/requirements.txt b/requirements.txt
index 5f996a8..099ae11 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -63,7 +63,7 @@ pipenv==2022.1.8
 pkginfo==1.5.0.1
 pluggy==0.13.1
 poetry==1.0.5
-protobuf==3.13.0
+protobuf==3.18.3
 ptyprocess==0.6.0
 py==1.9.0
 pyasn1==0.4.8