diff --git a/web/Gemfile.lock b/web/Gemfile.lock
index f7d64c0..91ca964 100644
--- a/web/Gemfile.lock
+++ b/web/Gemfile.lock
@@ -3,16 +3,23 @@ GEM
   specs:
     json (1.5.3)
     mime-types (1.16)
-    rack (1.3.2)
+    mustermann (1.1.1)
+      ruby2_keywords (~> 0.0.1)
+    rack (2.2.3)
+    rack-protection (2.2.0)
+      rack
     rest-client (1.6.7)
       mime-types (>= 1.16)
     restful_adhearsion (0.2.0)
       json (>= 1.1.3)
       rest-client (>= 0.8.2)
-    sinatra (1.2.6)
-      rack (~> 1.1)
-      tilt (< 2.0, >= 1.2.2)
-    tilt (1.3.3)
+    ruby2_keywords (0.0.5)
+    sinatra (2.2.0)
+      mustermann (~> 1.0)
+      rack (~> 2.2)
+      rack-protection (= 2.2.0)
+      tilt (~> 2.0)
+    tilt (2.0.10)
 
 PLATFORMS
   ruby