diff --git a/Gemfile.lock b/Gemfile.lock
index 6117375..587c3aa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -60,11 +60,13 @@ GEM
     mime-types (2.6.2)
     mini_portile2 (2.3.0)
     mock_redis (0.9.0)
+    mustermann (1.1.1)
+      ruby2_keywords (~> 0.0.1)
     netrc (0.11.0)
     nokogiri (1.8.5)
       mini_portile2 (~> 2.3.0)
-    rack (1.6.11)
-    rack-protection (1.5.5)
+    rack (2.2.3)
+    rack-protection (2.2.0)
       rack
     rake (12.3.0)
     redis (3.2.1)
@@ -87,6 +89,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.8.0)
     rspec-support (3.8.0)
+    ruby2_keywords (0.0.5)
     sidekiq (3.5.3)
       celluloid (~> 0.17.2)
       connection_pool (~> 2.2, >= 2.2.0)
@@ -98,10 +101,11 @@ GEM
       json (~> 1.8)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.0)
-    sinatra (1.4.8)
-      rack (~> 1.5)
-      rack-protection (~> 1.4)
-      tilt (>= 1.3, < 3)
+    sinatra (2.2.0)
+      mustermann (~> 1.0)
+      rack (~> 2.2)
+      rack-protection (= 2.2.0)
+      tilt (~> 2.0)
     slop (4.2.0)
     term-ansicolor (1.3.2)
       tins (~> 1.0)
@@ -110,7 +114,7 @@ GEM
       eventmachine (~> 1.0, >= 1.0.4)
       rack (>= 1, < 3)
     thor (0.19.1)
-    tilt (2.0.9)
+    tilt (2.0.10)
     timers (4.1.1)
       hitimes
     tins (1.6.0)