diff --git a/Gemfile.lock b/Gemfile.lock
index 306a38a..27ec729 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -121,6 +121,7 @@ GEM
     multi_json (1.12.1)
     multi_test (0.1.2)
     multipart-post (2.0.0)
+    mustermann (1.0.3)
     nenv (0.3.0)
     nesty (1.0.2)
     net-scp (1.1.2)
@@ -142,8 +143,8 @@ GEM
       method_source (~> 0.8.1)
       slop (~> 3.4)
     public_suffix (2.0.4)
-    rack (1.6.5)
-    rack-protection (1.5.3)
+    rack (2.0.8)
+    rack-protection (2.0.7)
       rack
     rainbow (2.2.2)
       rake
@@ -187,14 +188,15 @@ GEM
     simplecov-html (0.9.0)
     simplecov-rcov (0.2.3)
       simplecov (>= 0.4.1)
-    sinatra (1.4.7)
-      rack (~> 1.5)
-      rack-protection (~> 1.4)
-      tilt (>= 1.3, < 3)
+    sinatra (2.0.7)
+      mustermann (~> 1.0)
+      rack (~> 2.0)
+      rack-protection (= 2.0.7)
+      tilt (~> 2.0)
     slop (3.6.0)
     thor (0.19.4)
     thread_safe (0.3.6)
-    tilt (2.0.5)
+    tilt (2.0.10)
     timecop (0.7.4)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)