diff --git a/build.gradle b/build.gradle
index 8625cca..36304eb 100644
--- a/build.gradle
+++ b/build.gradle
@@ -35,7 +35,7 @@ dependencies {
     compile "com.google.http-client:google-http-client-appengine:1.24.1"
     compile "com.google.http-client:google-http-client-jackson:1.24.1"
     compile "com.google.http-client:google-http-client-jackson2:1.24.1"
-    compile "com.google.oauth-client:google-oauth-client:1.24.1"
+    compile "com.google.oauth-client:google-oauth-client:1.33.3"
     compile "com.google.protobuf:protobuf-java:3.6.0"
     compile "com.google.protobuf:protobuf-java-util:3.6.0"
     compile "commons-codec:commons-codec:1.9"