diff --git a/Gemfile.lock b/Gemfile.lock
index 2018012..9f12112 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,12 +8,14 @@ GEM
       little-plugger (>= 1.1.3)
     method_source (0.7.1)
     multi_json (1.3.6)
+    mustermann (1.1.1)
+      ruby2_keywords (~> 0.0.1)
     pry (0.9.9.6)
       coderay (~> 1.0.5)
       method_source (~> 0.7.1)
       slop (>= 2.4.4, < 3)
-    rack (1.4.1)
-    rack-protection (1.2.0)
+    rack (2.2.3)
+    rack-protection (2.0.8.1)
       rack
     redis (3.0.1)
     redis-namespace (1.2.0)
@@ -28,12 +30,14 @@ GEM
       redis-namespace (~> 1.0)
       sinatra (>= 0.9.2)
       vegas (~> 0.1.2)
-    sinatra (1.3.2)
-      rack (~> 1.3, >= 1.3.6)
-      rack-protection (~> 1.2)
-      tilt (~> 1.3, >= 1.3.3)
+    ruby2_keywords (0.0.2)
+    sinatra (2.0.8.1)
+      mustermann (~> 1.0)
+      rack (~> 2.0)
+      rack-protection (= 2.0.8.1)
+      tilt (~> 2.0)
     slop (2.4.4)
-    tilt (1.3.3)
+    tilt (2.0.10)
     vegas (0.1.11)
       rack (>= 1.0.0)
     zk (1.6.3)