diff --git a/Gemfile.lock b/Gemfile.lock
index 6d2502e..f874fc2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,20 +10,20 @@ GEM
       tilt
     hpricot (0.8.6)
     json (2.3.1)
-    mustermann (1.1.1)
+    mustermann (2.0.2)
       ruby2_keywords (~> 0.0.1)
     nio4r (2.5.4)
     puma (5.0.4)
       nio4r (~> 2.0)
-    rack (2.2.3)
-    rack-protection (2.1.0)
+    rack (2.2.4)
+    rack-protection (2.2.3)
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    ruby2_keywords (0.0.2)
+    ruby2_keywords (0.0.5)
     ruby_parser (3.15.0)
       sexp_processor (~> 4.9)
     sass (3.7.4)
@@ -32,15 +32,15 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
     sexp_processor (4.15.1)
-    sinatra (2.1.0)
-      mustermann (~> 1.0)
+    sinatra (2.2.3)
+      mustermann (~> 2.0)
       rack (~> 2.2)
-      rack-protection (= 2.1.0)
+      rack-protection (= 2.2.3)
       tilt (~> 2.0)
     sinatra-redirect-with-flash (0.2.1)
       sinatra (>= 1.0.0)
     temple (0.8.2)
-    tilt (2.0.10)
+    tilt (2.0.11)
 
 PLATFORMS
   ruby