diff --git a/build.gradle b/build.gradle
index be72d15..8403412 100644
--- a/build.gradle
+++ b/build.gradle
@@ -16,7 +16,7 @@ subprojects {
     version = project.version
 
     ext {
-        grpcVersion = '1.63.0'
+        grpcVersion = '1.66.0'
         jupiterVersion = '5.10.2'
         mockitoVersion = '4.11.0'
         lombokVersion = '1.18.32'