diff --git a/requirements.txt b/requirements.txt
index 8b35d370..4c5df949 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -74,7 +74,7 @@ platformdirs==2.4.0
 pluggy==1.0.0
 prompt-toolkit==3.0.23
 proto-plus==1.19.8
-protobuf==3.19.1
+protobuf==4.22.1
 psutil==5.9.1
 ptyprocess==0.7.0
 py==1.11.0