diff --git a/Gemfile.lock b/Gemfile.lock
index 828e808..e3ff2b9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -118,7 +118,7 @@ GEM
     multipart-post (2.0.0)
     nokogiri (1.7.0.1)
       mini_portile2 (~> 2.1.0)
-    oauth (0.5.1)
+    oauth (0.5.6)
     oauth2 (0.7.1)
       faraday (~> 0.8)
       httpauth (~> 0.1)