diff --git a/Gemfile.lock b/Gemfile.lock
index 6f25a05..7556ce9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -110,8 +110,7 @@ GEM
     jbuilder (2.5.0)
       activesupport (>= 3.0.0, < 5.1)
       multi_json (~> 1.2)
-    jmespath (1.0.2)
-      multi_json (~> 1.0)
+    jmespath (1.6.1)
     jquery-rails (4.1.1)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
@@ -127,10 +126,12 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_portile2 (2.1.0)
     minitest (5.9.0)
-    multi_json (1.12.1)
+    multi_json (1.15.0)
     nokogiri (1.6.8)
       mini_portile2 (~> 2.1.0)
       pkg-config (~> 1.1.7)
@@ -227,7 +228,6 @@ GEM
       websocket (~> 1.0)
     sendgrid (1.2.4)
       json
-      json
     shoulda-matchers (3.1.1)
       activesupport (>= 4.0.0)
     slop (3.6.0)