diff --git a/build.gradle b/build.gradle
index 0b3d355..6c11820 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,6 +1,6 @@
 buildscript {
     ext {
-        gaeVersion = '1.9.53'
+        gaeVersion = '1.9.86'
         groovyVersion = '2.4.12'
     }
     repositories {