diff --git a/Gemfile.lock b/Gemfile.lock
index 53a49ee..9beaf9f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -15,9 +15,8 @@ GEM
     addressable (2.5.2)
       public_suffix (>= 2.0.2, < 4.0)
     ast (2.4.0)
-    backports (3.11.4)
     coderay (1.1.2)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.10)
     connection_pool (2.2.2)
     diff-lcs (1.3)
     docile (1.1.5)
@@ -28,17 +27,18 @@ GEM
     faraday (0.15.3)
       multipart-post (>= 1.2, < 3)
     hashr (2.0.1)
-    i18n (1.1.1)
+    i18n (1.10.0)
       concurrent-ruby (~> 1.0)
     jaro_winkler (1.5.1)
     jemalloc (1.0.1)
     json (2.1.0)
     jwt (2.1.0)
     method_source (0.9.0)
-    minitest (5.11.3)
-    multi_json (1.13.1)
+    minitest (5.15.0)
+    multi_json (1.15.0)
     multipart-post (2.0.0)
-    mustermann (1.0.3)
+    mustermann (1.1.1)
+      ruby2_keywords (~> 0.0.1)
     parallel (1.12.1)
     parser (2.5.1.2)
       ast (~> 2.4.0)
@@ -49,8 +49,8 @@ GEM
       method_source (~> 0.9.0)
     public_suffix (3.0.3)
     puma (3.12.0)
-    rack (2.0.6)
-    rack-protection (2.0.4)
+    rack (2.2.3)
+    rack-protection (2.2.0)
       rack
     rack-ssl (1.4.1)
       rack
@@ -83,6 +83,7 @@ GEM
       ruby-progressbar (~> 1.7)
       unicode-display_width (~> 1.0, >= 1.0.1)
     ruby-progressbar (1.10.0)
+    ruby2_keywords (0.0.5)
     sentry-raven (2.7.4)
       faraday (>= 0.7.6, < 1.0)
     sequel (5.13.0)
@@ -91,26 +92,24 @@ GEM
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.2)
-    sinatra (2.0.4)
+    sinatra (2.2.0)
       mustermann (~> 1.0)
-      rack (~> 2.0)
-      rack-protection (= 2.0.4)
+      rack (~> 2.2)
+      rack-protection (= 2.2.0)
       tilt (~> 2.0)
-    sinatra-contrib (2.0.4)
-      activesupport (>= 4.0.0)
-      backports (>= 2.8.2)
+    sinatra-contrib (2.2.0)
       multi_json
       mustermann (~> 1.0)
-      rack-protection (= 2.0.4)
-      sinatra (= 2.0.4)
-      tilt (>= 1.3, < 3)
+      rack-protection (= 2.2.0)
+      sinatra (= 2.2.0)
+      tilt (~> 2.0)
     sinatra-param (1.5.0)
       sinatra (>= 1.3)
     thread_safe (0.3.6)
-    tilt (2.0.8)
+    tilt (2.0.10)
     travis-config (1.1.3)
       hashr (~> 2.0)
-    tzinfo (1.2.5)
+    tzinfo (1.2.9)
       thread_safe (~> 0.1)
     unicode-display_width (1.4.0)