diff --git a/Gemfile.lock b/Gemfile.lock
index 921a609..e6e8073 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -74,7 +74,7 @@ GEM
     posix-spawn (0.3.15)
     public_suffix (4.0.6)
     rack (2.2.3)
-    rack-protection (2.1.0)
+    rack-protection (2.2.0)
       rack
     rb-fsevent (0.11.0)
     rb-inotify (0.10.1)
@@ -85,10 +85,10 @@ GEM
     safe_yaml (1.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
-    sinatra (2.1.0)
+    sinatra (2.2.0)
       mustermann (~> 1.0)
       rack (~> 2.2)
-      rack-protection (= 2.1.0)
+      rack-protection (= 2.2.0)
       tilt (~> 2.0)
     terminal-table (2.0.0)
       unicode-display_width (~> 1.1, >= 1.1.1)