diff --git a/Gemfile.lock b/Gemfile.lock
index 68b2eb5..181e122 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -62,6 +62,7 @@ GEM
     colorize (0.5.8)
     concurrent-ruby (1.0.1)
     contracts (0.13.0)
+    crass (1.0.6)
     cucumber (2.3.2)
       builder (>= 2.1.2)
       cucumber-core (~> 1.4.0)
@@ -105,13 +106,14 @@ GEM
     json (1.8.3)
     launchy (2.3.0)
       addressable (~> 2.3)
-    loofah (2.0.3)
+    loofah (2.19.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
     method_source (0.8.2)
     mime-types (1.25.1)
-    mini_portile2 (2.0.0)
+    mini_portile2 (2.1.0)
     minitest (5.8.4)
     multi_json (1.11.2)
     multi_test (0.1.2)
@@ -119,8 +121,8 @@ GEM
     net-http-persistent (2.9)
     net-http-pipeline (1.0.1)
     netrc (0.7.7)
-    nokogiri (1.6.7.2)
-      mini_portile2 (~> 2.0.0.rc2)
+    nokogiri (1.6.8.1)
+      mini_portile2 (~> 2.1.0)
     pry (0.9.12.2)
       coderay (~> 1.0.5)
       method_source (~> 0.8)
@@ -148,8 +150,8 @@ GEM
       activesupport (>= 4.2.0.beta, < 5.0)
       nokogiri (~> 1.6.0)
       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 (4.2.6)
       actionpack (= 4.2.6)
       activesupport (= 4.2.6)