diff --git a/requirements.txt b/requirements.txt
index b1efb09..f0f37f9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -50,7 +50,7 @@ ply==3.8
 proto-google-cloud-datastore-v1==0.90.4
 proto-google-cloud-error-reporting-v1beta1==0.15.3
 proto-google-cloud-logging-v2==0.91.3
-protobuf==3.18.3
+protobuf==4.25.8
 psutil==5.6.6
 pyasn1==0.4.3
 pyasn1-modules==0.2.1