diff --git a/Gemfile.lock b/Gemfile.lock
index e31610b..6c2cbf0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,7 +8,7 @@ GEM
       tzinfo (~> 1.1)
     addressable (2.5.2)
       public_suffix (>= 2.0.2, < 4.0)
-    backports (3.11.2)
+    backports (3.11.4)
     concurrent-ruby (1.0.5)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
@@ -34,13 +34,13 @@ GEM
     minitest-stub_any_instance (1.0.2)
     multi_json (1.13.1)
     multipart-post (2.0.0)
-    mustermann (1.0.2)
+    mustermann (1.0.3)
     netrc (0.11.0)
     public_suffix (3.0.2)
     purdytest (2.0.0)
       minitest (~> 5.5)
-    rack (2.0.4)
-    rack-protection (2.0.1)
+    rack (2.0.6)
+    rack-protection (2.0.5)
       rack
     rack-test (1.0.0)
       rack (>= 1.0, < 3)
@@ -59,20 +59,20 @@ GEM
     safe_yaml (1.0.4)
     sentry-raven (2.7.2)
       faraday (>= 0.7.6, < 1.0)
-    sinatra (2.0.1)
+    sinatra (2.0.5)
       mustermann (~> 1.0)
       rack (~> 2.0)
-      rack-protection (= 2.0.1)
+      rack-protection (= 2.0.5)
       tilt (~> 2.0)
-    sinatra-contrib (2.0.1)
-      backports (>= 2.0)
+    sinatra-contrib (2.0.5)
+      backports (>= 2.8.2)
       multi_json
       mustermann (~> 1.0)
-      rack-protection (= 2.0.1)
-      sinatra (= 2.0.1)
+      rack-protection (= 2.0.5)
+      sinatra (= 2.0.5)
       tilt (>= 1.3, < 3)
     thread_safe (0.3.6)
-    tilt (2.0.8)
+    tilt (2.0.9)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
     unf (0.1.4)