diff --git a/Gemfile.lock b/Gemfile.lock
index 4b0f0c0..8575023 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -5,37 +5,47 @@ GEM
     amqp (1.8.0)
       amq-protocol (>= 2.2.0)
       eventmachine
+    base64 (0.3.0)
     daemons (1.4.1)
     eventmachine (1.2.7)
     haml (6.2.3)
       temple (>= 0.8.2)
       thor
       tilt
+    logger (1.7.0)
     multi_json (1.15.0)
-    mustermann (3.0.0)
+    mustermann (3.0.4)
       ruby2_keywords (~> 0.0.1)
-    rack (2.2.20)
-    rack-protection (3.1.0)
-      rack (~> 2.2, >= 2.2.4)
+    rack (3.2.3)
+    rack-protection (4.2.0)
+      base64 (>= 0.1.0)
+      logger (>= 1.6.0)
+      rack (>= 3.0.0, < 4)
+    rack-session (2.1.1)
+      base64 (>= 0.1.0)
+      rack (>= 3.0.0)
     ruby2_keywords (0.0.5)
-    sinatra (3.1.0)
+    sinatra (4.2.0)
+      logger (>= 1.6.0)
       mustermann (~> 3.0)
-      rack (~> 2.2, >= 2.2.4)
-      rack-protection (= 3.1.0)
+      rack (>= 3.0.0, < 4)
+      rack-protection (= 4.2.0)
+      rack-session (>= 2.0.0, < 3)
       tilt (~> 2.0)
-    sinatra-contrib (3.1.0)
-      multi_json
+    sinatra-contrib (4.2.0)
+      multi_json (>= 0.0.2)
       mustermann (~> 3.0)
-      rack-protection (= 3.1.0)
-      sinatra (= 3.1.0)
+      rack-protection (= 4.2.0)
+      sinatra (= 4.2.0)
       tilt (~> 2.0)
     temple (0.10.3)
-    thin (1.8.2)
+    thin (2.0.1)
       daemons (~> 1.0, >= 1.0.9)
       eventmachine (~> 1.0, >= 1.0.4)
-      rack (>= 1, < 3)
+      logger
+      rack (>= 1, < 4)
     thor (1.4.0)
-    tilt (2.3.0)
+    tilt (2.6.1)
 
 PLATFORMS
   ruby