diff --git a/app/build.gradle b/app/build.gradle
index bd3c89c..ef89f69 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -46,7 +46,7 @@ dependencies {
     // grpc
     implementation 'io.grpc:grpc-netty-shaded:1.63.0'
     implementation 'io.grpc:grpc-protobuf:1.63.0'
-    implementation group: 'io.grpc', name: 'grpc-stub', version: '1.63.0'
+    implementation group: 'io.grpc', name: 'grpc-stub', version: '1.66.0'
     compileOnly group: 'com.google.protobuf', name: 'protobuf-java-util', version: '4.26.1'
     // validator
     implementation 'org.springframework.boot:spring-boot-starter-validation'