diff --git a/Gemfile.lock b/Gemfile.lock
index ff79b62..df3eb4d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -12,8 +12,8 @@ GEM
     parslet (1.5.0)
       blankslate (~> 2.0)
     posix-spawn (0.3.11)
-    rack (1.6.4)
-    rack-protection (1.5.3)
+    rack (1.6.11)
+    rack-protection (1.5.5)
       rack
     rack-test (0.6.3)
       rack (>= 1.0)