diff --git a/build.gradle b/build.gradle
index e4568f35b..c1e60f08c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -44,7 +44,7 @@ dependencies {
     compileOnly 'javax.servlet:servlet-api:2.5'
     compileOnly 'com.squareup.okhttp:okhttp:2.7.5'  // support both v2 and v3 to avoid
     compileOnly 'com.squareup.okhttp3:okhttp:4.10.0' // method count bloat
-    compileOnly 'com.google.appengine:appengine-api-1.0-sdk:1.9.38'
+    compileOnly 'com.google.appengine:appengine-api-1.0-sdk:2.0.9'
 
     testImplementation 'org.testng:testng:6.9.10'
     testImplementation 'org.mockito:mockito-core:1.10.19'