diff --git a/Gemfile.lock b/Gemfile.lock
index fb10d5d..cf103e6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -106,14 +106,16 @@ GEM
     minitest (5.9.1)
     multi_json (1.12.1)
     multipart-post (2.0.0)
+    mustermann (1.1.1)
+      ruby2_keywords (~> 0.0.1)
     net-scp (1.2.1)
       net-ssh (>= 2.6.5)
     net-ssh (3.2.0)
     newrelic_rpm (3.16.3.323)
     oauth (0.5.1)
     os (0.9.6)
-    rack (1.6.4)
-    rack-protection (1.5.3)
+    rack (2.2.3)
+    rack-protection (2.2.0)
       rack
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -137,6 +139,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.5.0)
     rspec-support (3.5.0)
+    ruby2_keywords (0.0.5)
     ruby_http_client (3.0.0)
     sendgrid-ruby (4.0.4)
       ruby_http_client (~> 3.0.0)
@@ -145,15 +148,16 @@ GEM
       faraday (~> 0.9)
       jwt (~> 1.5)
       multi_json (~> 1.10)
-    sinatra (1.4.7)
-      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)
     sshkit (1.11.3)
       net-scp (>= 1.1.2)
       net-ssh (>= 2.8.0)
     thread_safe (0.3.5)
-    tilt (2.0.5)
+    tilt (2.0.10)
     twitter_oauth (0.4.94)
       json (>= 1.8.0)
       mime-types (>= 1.16)