diff --git a/Gemfile.lock b/Gemfile.lock
index b1f5ac4..f937f25 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,21 +1,24 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    backports (3.15.0)
-    connection_pool (2.2.2)
+    concurrent-ruby (1.1.10)
+    connection_pool (2.3.0)
     daemons (1.3.1)
     diff-lcs (1.3)
     eventmachine (1.2.7)
     hiredis (0.6.3)
     maxminddb (0.1.22)
-    multi_json (1.14.1)
-    mustermann (1.0.3)
-    rack (2.2.3)
-    rack-protection (2.0.7)
+    multi_json (1.15.0)
+    mustermann (3.0.0)
+      ruby2_keywords (~> 0.0.1)
+    rack (2.2.4)
+    rack-protection (3.0.4)
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     redis (4.1.3)
+    redis-client (0.11.2)
+      connection_pool
     rspec (3.9.0)
       rspec-core (~> 3.9.0)
       rspec-expectations (~> 3.9.0)
@@ -29,29 +32,29 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.9.0)
     rspec-support (3.9.0)
-    sidekiq (6.0.3)
-      connection_pool (>= 2.2.2)
-      rack (>= 2.0.0)
-      rack-protection (>= 2.0.0)
-      redis (>= 4.1.0)
-    sinatra (2.0.7)
-      mustermann (~> 1.0)
-      rack (~> 2.0)
-      rack-protection (= 2.0.7)
+    ruby2_keywords (0.0.5)
+    sidekiq (7.0.2)
+      concurrent-ruby (< 2)
+      connection_pool (>= 2.3.0)
+      rack (>= 2.2.4)
+      redis-client (>= 0.11.0)
+    sinatra (3.0.4)
+      mustermann (~> 3.0)
+      rack (~> 2.2, >= 2.2.4)
+      rack-protection (= 3.0.4)
       tilt (~> 2.0)
-    sinatra-contrib (2.0.7)
-      backports (>= 2.8.2)
+    sinatra-contrib (3.0.4)
       multi_json
-      mustermann (~> 1.0)
-      rack-protection (= 2.0.7)
-      sinatra (= 2.0.7)
+      mustermann (~> 3.0)
+      rack-protection (= 3.0.4)
+      sinatra (= 3.0.4)
       tilt (~> 2.0)
     sinatra-cross_origin (0.4.0)
     thin (1.7.2)
       daemons (~> 1.0, >= 1.0.9)
       eventmachine (~> 1.0, >= 1.0.4)
       rack (>= 1, < 3)
-    tilt (2.0.10)
+    tilt (2.0.11)
 
 PLATFORMS
   ruby