diff --git a/Gemfile.lock b/Gemfile.lock
index 306a38a..7978cc9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -121,6 +121,8 @@ GEM
     multi_json (1.12.1)
     multi_test (0.1.2)
     multipart-post (2.0.0)
+    mustermann (1.1.1)
+      ruby2_keywords (~> 0.0.1)
     nenv (0.3.0)
     nesty (1.0.2)
     net-scp (1.1.2)
@@ -142,8 +144,8 @@ GEM
       method_source (~> 0.8.1)
       slop (~> 3.4)
     public_suffix (2.0.4)
-    rack (1.6.5)
-    rack-protection (1.5.3)
+    rack (2.1.4)
+    rack-protection (2.0.8.1)
       rack
     rainbow (2.2.2)
       rake
@@ -172,6 +174,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.5.0)
     rspec-support (3.5.0)
+    ruby2_keywords (0.0.2)
     ruby_dep (1.3.1)
     rubyntlm (0.6.1)
     rubyzip (1.2.0)
@@ -187,14 +190,15 @@ 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 (2.0.8.1)
+      mustermann (~> 1.0)
+      rack (~> 2.0)
+      rack-protection (= 2.0.8.1)
+      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)