diff --git a/Gemfile.lock b/Gemfile.lock
index b4ef60a4..8c892c58 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -247,7 +247,7 @@ GEM
     multipart-post (2.0.0)
     mysql2 (0.4.2)
     netrc (0.10.3)
-    nio4r (1.1.0)
+    nio4r (1.2.1)
     nokogiri (1.6.7.2)
       mini_portile2 (~> 2.0.0.rc2)
     oauth2 (0.9.4)