diff --git a/Gemfile.lock b/Gemfile.lock
index 31fc14e..dfbcbc7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -12,26 +12,28 @@ GEM
       multipart-post (>= 1.2, < 3)
     highline (2.0.3)
     multipart-post (2.1.1)
-    mustermann (1.0.3)
+    mustermann (2.0.2)
+      ruby2_keywords (~> 0.0.1)
     octokit (4.14.0)
       sawyer (~> 0.8.0, >= 0.5.3)
     public_suffix (4.0.1)
-    rack (2.0.8)
-    rack-protection (2.0.7)
+    rack (2.2.4)
+    rack-protection (2.2.3)
       rack
+    ruby2_keywords (0.0.5)
     sawyer (0.8.2)
       addressable (>= 2.3.5)
       faraday (> 0.8, < 2.0)
-    sinatra (2.0.7)
-      mustermann (~> 1.0)
-      rack (~> 2.0)
-      rack-protection (= 2.0.7)
+    sinatra (2.2.3)
+      mustermann (~> 2.0)
+      rack (~> 2.2)
+      rack-protection (= 2.2.3)
       tilt (~> 2.0)
     thin (1.7.2)
       daemons (~> 1.0, >= 1.0.9)
       eventmachine (~> 1.0, >= 1.0.4)
       rack (>= 1, < 3)
-    tilt (2.0.10)
+    tilt (2.0.11)
 
 PLATFORMS
   ruby