diff --git a/Gemfile.lock b/Gemfile.lock
index c27b42d..0a185e2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,23 +4,27 @@ GEM
     daemons (1.1.8)
     eventmachine (0.12.10)
     json (1.7.3)
+    mustermann (2.0.2)
+      ruby2_keywords (~> 0.0.1)
     pg (0.13.2)
-    rack (1.4.1)
-    rack-protection (1.2.0)
+    rack (2.2.10)
+    rack-protection (2.2.3)
       rack
     rake (0.9.2.2)
+    ruby2_keywords (0.0.5)
     sequel (3.36.1)
-    sinatra (1.3.2)
-      rack (~> 1.3, >= 1.3.6)
-      rack-protection (~> 1.2)
-      tilt (~> 1.3, >= 1.3.3)
-    sinatra-param (0.0.2)
-      sinatra (~> 1.3)
+    sinatra (2.2.3)
+      mustermann (~> 2.0)
+      rack (~> 2.2)
+      rack-protection (= 2.2.3)
+      tilt (~> 2.0)
+    sinatra-param (1.6.0)
+      sinatra (>= 1.3)
     thin (1.3.1)
       daemons (>= 1.0.9)
       eventmachine (>= 0.12.6)
       rack (>= 1.0.0)
-    tilt (1.3.3)
+    tilt (2.4.0)
 
 PLATFORMS
   ruby