diff --git a/Gemfile.lock b/Gemfile.lock
index a76ad9e..b826cb1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -93,6 +93,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
+    crass (1.0.6)
     cucumber (2.4.0)
       builder (>= 2.1.2)
       cucumber-core (~> 1.5.0)
@@ -155,7 +156,8 @@ GEM
       activerecord
       kaminari-core (= 1.1.1)
     kaminari-core (1.1.1)
-    loofah (2.0.3)
+    loofah (2.19.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.5)
       mime-types (>= 1.16, < 4)
@@ -163,7 +165,7 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.1.0)
+    mini_portile2 (2.8.0)
     minitest (5.10.1)
     multi_json (1.12.1)
     multi_test (0.1.2)
@@ -172,8 +174,9 @@ GEM
     net-scp (1.2.1)
       net-ssh (>= 2.6.5)
     net-ssh (5.0.2)
-    nokogiri (1.7.1)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.13.10)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     notifier (0.5.2)
     oauth2 (1.3.1)
       faraday (>= 0.8, < 0.12)
@@ -200,6 +203,7 @@ GEM
       pry (~> 0.10)
     public_suffix (2.0.5)
     puma (3.12.0)
+    racc (1.6.1)
     rack (1.6.13)
     rack-cache (1.7.0)
       rack (>= 0.4)
@@ -223,8 +227,8 @@ GEM
       activesupport (>= 4.2.0.beta, < 5.0)
       nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     railties (4.2.8)
       actionpack (= 4.2.8)
       activesupport (= 4.2.8)