diff --git a/Gemfile.lock b/Gemfile.lock
index 6afee7e..7ee170a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -51,6 +51,7 @@ GEM
       execjs
     coffee-script-source (1.10.0)
     concurrent-ruby (1.0.1)
+    crass (1.0.4)
     daemons (1.1.9)
     debug_inspector (0.0.2)
     devise (3.5.6)
@@ -74,19 +75,20 @@ GEM
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
     json (1.8.3)
-    loofah (2.0.3)
+    loofah (2.2.3)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
     mime-types (2.99.1)
-    mini_portile2 (2.0.0)
+    mini_portile2 (2.1.0)
     minitest (5.8.4)
     multi_json (1.11.2)
     mysql2 (0.3.20)
     nested_form (0.3.1)
     netrc (0.11.0)
-    nokogiri (1.6.7.2)
-      mini_portile2 (~> 2.0.0.rc2)
+    nokogiri (1.6.8.1)
+      mini_portile2 (~> 2.1.0)
     orm_adapter (0.5.0)
     protected_attributes (1.1.3)
       activemodel (>= 4.0.1, < 5.0)
@@ -110,8 +112,8 @@ 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 (1.0.4)
+      loofah (~> 2.2, >= 2.2.2)
     rails_12factor (0.0.3)
       rails_serve_static_assets
       rails_stdout_logging