diff --git a/Gemfile.lock b/Gemfile.lock
index d51f988..edf5671 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -44,7 +44,7 @@ GEM
       method_source (~> 0.9.0)
     public_suffix (3.0.1)
     rack (1.6.11)
-    rack-protection (1.5.3)
+    rack-protection (1.5.5)
       rack
     rb-fsevent (0.10.2)
     rb-inotify (0.9.10)