diff --git a/Gemfile.lock b/Gemfile.lock
index 882c5fa..a56cdc1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -91,7 +91,8 @@ GEM
       metaclass (~> 0.0.1)
     mono_logger (1.1.0)
     multi_json (1.13.1)
-    mustermann (1.0.1)
+    mustermann (1.1.1)
+      ruby2_keywords (~> 0.0.1)
     net-scp (1.2.1)
       net-ssh (>= 2.6.5)
     net-sftp (2.1.2)
@@ -101,8 +102,8 @@ GEM
       net-ssh (>= 4.0.0)
     open4 (1.3.4)
     public_suffix (3.0.1)
-    rack (2.0.3)
-    rack-protection (2.0.0)
+    rack (2.2.3)
+    rack-protection (2.0.2)
       rack
     rack-test (0.8.2)
       rack (>= 1.0, < 3)
@@ -124,20 +125,21 @@ GEM
       rake
       resque (~> 1.22)
     rmagick (2.16.0)
+    ruby2_keywords (0.0.2)
     sass (3.5.5)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
     serialport (1.3.1)
-    sinatra (2.0.0)
+    sinatra (2.0.2)
       mustermann (~> 1.0)
       rack (~> 2.0)
-      rack-protection (= 2.0.0)
+      rack-protection (= 2.0.2)
       tilt (~> 2.0)
     stringex (1.5.1)
     thor (0.19.4)
-    tilt (2.0.8)
+    tilt (2.0.10)
     unicorn (5.4.0)
       kgio (~> 2.6)
       raindrops (~> 0.7)