diff --git a/build.gradle b/build.gradle
index 4d0b90e..dbebc0d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -17,7 +17,7 @@ version '1.0-SNAPSHOT'
 
 sourceCompatibility = 1.8
 
-def grpc_java_version = '1.14.0'
+def grpc_java_version = '1.15.0'
 
 tasks.withType(JavaCompile) {
     options.encoding = "UTF-8"