diff --git a/build.gradle b/build.gradle
index 1204195..68d3511 100644
--- a/build.gradle
+++ b/build.gradle
@@ -23,7 +23,7 @@ repositories {
 sourceCompatibility = 1.8
 targetCompatibility = 1.8
 
-def grpcVersion = '1.65.1'
+def grpcVersion = '1.66.0'
 def protobufVersion = '4.28.0'
 def protocVersion = protobufVersion