diff --git a/Gemfile.lock b/Gemfile.lock
index 3b1aec0d308..a73a595cb5f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,37 +1,37 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actionmailer (5.1.3)
-      actionpack (= 5.1.3)
-      actionview (= 5.1.3)
-      activejob (= 5.1.3)
+    actionmailer (5.1.4)
+      actionpack (= 5.1.4)
+      actionview (= 5.1.4)
+      activejob (= 5.1.4)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.1.3)
-      actionview (= 5.1.3)
-      activesupport (= 5.1.3)
+    actionpack (5.1.4)
+      actionview (= 5.1.4)
+      activesupport (= 5.1.4)
       rack (~> 2.0)
-      rack-test (~> 0.6.3)
+      rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.1.3)
-      activesupport (= 5.1.3)
+    actionview (5.1.4)
+      activesupport (= 5.1.4)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
     active_model_serializers (0.8.3)
       activemodel (>= 3.0)
-    activejob (5.1.3)
-      activesupport (= 5.1.3)
+    activejob (5.1.4)
+      activesupport (= 5.1.4)
       globalid (>= 0.3.6)
-    activemodel (5.1.3)
-      activesupport (= 5.1.3)
-    activerecord (5.1.3)
-      activemodel (= 5.1.3)
-      activesupport (= 5.1.3)
+    activemodel (5.1.4)
+      activesupport (= 5.1.4)
+    activerecord (5.1.4)
+      activemodel (= 5.1.4)
+      activesupport (= 5.1.4)
       arel (~> 8.0)
-    activesupport (5.1.3)
+    activesupport (5.1.4)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (~> 0.7)
       minitest (~> 5.1)
@@ -144,7 +144,8 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
     logster (1.2.7)
-    loofah (2.0.3)
+    loofah (2.1.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lru_redux (1.1.0)
     mail (2.6.6)
@@ -250,8 +251,8 @@ GEM
       ruby-openid (>= 2.1.8)
     rack-protection (2.0.0)
       rack
-    rack-test (0.6.3)
-      rack (>= 1.0)
+    rack-test (0.7.0)
+      rack (>= 1.0, < 3)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
@@ -260,16 +261,16 @@ GEM
     rails_multisite (1.1.0.rc4)
       activerecord (> 4.2, < 6)
       railties (> 4.2, < 6)
-    railties (5.1.3)
-      actionpack (= 5.1.3)
-      activesupport (= 5.1.3)
+    railties (5.1.4)
+      actionpack (= 5.1.4)
+      activesupport (= 5.1.4)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rainbow (2.2.2)
       rake
     raindrops (0.18.0)
-    rake (12.0.0)
+    rake (12.1.0)
     rake-compiler (1.0.4)
       rake
     rb-fsevent (0.9.8)
@@ -384,13 +385,13 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  actionmailer (~> 5.1)
-  actionpack (~> 5.1)
-  actionview (~> 5.1)
+  actionmailer (~> 5.1.4)
+  actionpack (~> 5.1.4)
+  actionview (~> 5.1.4)
   active_model_serializers (~> 0.8.3)
-  activemodel (~> 5.1)
-  activerecord (~> 5.1)
-  activesupport (~> 5.1)
+  activemodel (~> 5.1.4)
+  activerecord (~> 5.1.4)
+  activesupport (~> 5.1.4)
   annotate
   aws-sdk
   barber
@@ -457,7 +458,7 @@ DEPENDENCIES
   rack-mini-profiler
   rack-protection
   rails_multisite (~> 1.1.0.rc4)
-  railties (~> 5.1)
+  railties (~> 5.1.4)
   rake
   rb-fsevent
   rb-inotify (~> 0.9)