diff --git a/Gemfile.lock b/Gemfile.lock
index 89b2dd8..ee1d84a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -63,9 +63,6 @@ GEM
       xpath (~> 2.0)
     celluloid (0.15.2)
       timers (~> 1.1.0)
-    celluloid-io (0.15.0)
-      celluloid (>= 0.15.0)
-      nio4r (>= 0.5.0)
     childprocess (0.5.3)
       ffi (~> 1.0, >= 1.0.11)
     cliver (0.3.2)
@@ -145,9 +142,8 @@ GEM
     launchy (2.4.2)
       addressable (~> 2.3)
     libv8 (3.16.14.3)
-    listen (2.7.4)
+    listen (2.7.5)
       celluloid (>= 0.15.2)
-      celluloid-io (>= 0.15.0)
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)
     lumberjack (1.0.5)
@@ -169,8 +165,7 @@ GEM
     mini_portile (0.5.3)
     multi_json (1.10.0)
     multi_test (0.1.1)
-    mysql2 (0.3.15)
-    nio4r (1.0.0)
+    mysql2 (0.3.16)
     nokogiri (1.6.1)
       mini_portile (~> 0.5.0)
     poltergeist (1.5.0)