diff --git a/Gemfile.lock b/Gemfile.lock
index 204a249..721c7da 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -26,7 +26,7 @@ GEM
     bourbon (4.2.5)
       sass (~> 3.4)
       thor (~> 0.19)
-    celluloid (0.16.1)
+    celluloid (0.16.0)
       timers (~> 4.0.0)
     coffee-script (2.4.1)
       coffee-script-source