diff --git a/build.gradle b/build.gradle
index 6dd0547..e1f74aa 100644
--- a/build.gradle
+++ b/build.gradle
@@ -46,7 +46,7 @@ dependencies {
 
 //    compile 'com.madgag.spongycastle:core:1.58.0.0'
 
-    compile 'io.grpc:grpc-stub:1.58.0'
+    compile 'io.grpc:grpc-stub:1.59.1'
 }
 
 processResources {