diff --git a/Gemfile.lock b/Gemfile.lock
index b5c492d..2632832 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -44,6 +44,7 @@ GEM
     builder (3.2.2)
     coderay (1.1.1)
     concurrent-ruby (1.0.2)
+    crass (1.0.6)
     debug_inspector (0.0.2)
     diff-lcs (1.2.5)
     erubis (2.7.0)
@@ -63,7 +64,8 @@ GEM
       activesupport (>= 4.1.0)
     i18n (0.7.0)
     json (1.8.3)
-    loofah (2.0.3)
+    loofah (2.18.0)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.4)
       mime-types (>= 1.16, < 4)
@@ -71,11 +73,11 @@ GEM
     mime-types (3.0)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0221)
-    mini_portile2 (2.0.0)
+    mini_portile2 (2.1.0)
     minitest (5.9.0)
     mysql2 (0.3.21)
-    nokogiri (1.6.7.2)
-      mini_portile2 (~> 2.0.0.rc2)
+    nokogiri (1.6.8.1)
+      mini_portile2 (~> 2.1.0)
     plymouth (0.3.3)
       pry-exception_explorer (~> 0.1.7)
     power_assert (0.3.0)
@@ -118,8 +120,8 @@ 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 (1.4.3)
+      loofah (~> 2.3)
     railties (4.2.0)
       actionpack (= 4.2.0)
       activesupport (= 4.2.0)