diff --git a/Gemfile.lock b/Gemfile.lock
index ee83b68..1b74769 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -106,8 +106,8 @@ GEM
     phantomjs (1.9.7.1)
     puma (2.8.2)
       rack (>= 1.1, < 2.0)
-    rack (1.5.2)
-    rack-protection (1.5.3)
+    rack (1.5.5)
+    rack-protection (1.5.5)
       rack
     rack-test (0.6.3)
       rack (>= 1.0)