diff --git a/gradle.properties b/gradle.properties
index 59ce087891..c23d9474d5 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -45,7 +45,7 @@ zipkinReporterVersion=2.16.3
 
 # gRPC
 protobufGradlePluginVersion=0.8.16
-protobufVersion=3.15.3
+protobufVersion=3.17.3
 protoGoogleCommonProtosVersion=2.0.1
 javaPoetVersion=1.13.0
 shadowPluginVersion=4.0.4