diff --git a/Gemfile.lock b/Gemfile.lock
index 25bed6d..43a7f2f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -34,7 +34,6 @@ GEM
       sass (>= 3.2)
     ansi (1.4.3)
     arel (4.0.0)
-    atomic (1.1.12)
     bcrypt-ruby (3.1.1)
     bootstrap_helper (4.2.2.3)
       railties (= 4.0.0)
@@ -50,10 +49,11 @@ GEM
       net-ssh-gateway (>= 1.1.0)
     capistrano-ext (1.2.1)
       capistrano (>= 1.0.0)
-    carrierwave (0.9.0)
-      activemodel (>= 3.2.0)
-      activesupport (>= 3.2.0)
-      json (>= 1.7)
+    carrierwave (1.3.2)
+      activemodel (>= 4.0.0)
+      activesupport (>= 4.0.0)
+      mime-types (>= 1.16)
+      ssrf_filter (~> 1.0)
     carrierwave-meta (0.0.5)
       activesupport (>= 3.0)
       carrierwave (>= 0.5.7)
@@ -76,6 +76,7 @@ GEM
       sass (~> 3.1)
     compass-rails (1.0.3)
       compass (>= 0.12.2, < 0.14)
+    concurrent-ruby (1.1.8)
     devise (3.0.2)
       bcrypt-ruby (~> 3.0)
       orm_adapter (~> 0.1)
@@ -100,14 +101,15 @@ GEM
     high_voltage (1.2.4)
     highline (1.6.19)
     hike (1.2.3)
-    i18n (0.6.4)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (1.5.0)
       activesupport (>= 3.0.0)
       multi_json (>= 1.2.0)
     jquery-rails (3.0.4)
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.0)
+    json (2.5.1)
     kgio (2.8.0)
     listen (1.2.3)
       rb-fsevent (>= 0.9.3)
@@ -123,7 +125,7 @@ GEM
     mini_magick (3.6.0)
       subexec (~> 0.2.1)
     minitest (4.7.5)
-    multi_json (1.7.8)
+    multi_json (1.15.0)
     net-scp (1.1.2)
       net-ssh (>= 2.6.5)
     net-sftp (2.1.2)
@@ -206,17 +208,17 @@ GEM
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       sprockets (~> 2.8)
+    ssrf_filter (1.0.7)
     subexec (0.2.3)
     thor (0.18.1)
-    thread_safe (0.1.2)
-      atomic
+    thread_safe (0.3.6)
     tilt (1.4.1)
     treetop (1.4.14)
       polyglot
       polyglot (>= 0.3.1)
     turn (0.9.6)
       ansi
-    tzinfo (0.3.37)
+    tzinfo (0.3.60)
     uglifier (2.1.2)
       execjs (>= 0.3.0)
       multi_json (~> 1.0, >= 1.0.2)