diff --git a/Gemfile.lock b/Gemfile.lock
index 54e8bd5..70a9e82 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -63,6 +63,7 @@ GEM
       execjs
     coffee-script-source (1.10.0)
     commonjs (0.2.7)
+    crass (1.0.6)
     diff-lcs (1.2.5)
     erubis (2.7.0)
     execjs (2.7.0)
@@ -94,7 +95,8 @@ GEM
       sprockets (> 2, < 4)
       tilt
     libv8 (3.16.14.15)
-    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)
@@ -109,10 +111,8 @@ GEM
       net-ssh (>= 2.6.5)
     net-ssh (3.2.0)
     newrelic_rpm (3.16.0.318)
-    nokogiri (1.6.8)
+    nokogiri (1.6.8.1)
       mini_portile2 (~> 2.1.0)
-      pkg-config (~> 1.1.7)
-    pkg-config (1.1.7)
     rack (1.6.4)
     rack-mini-profiler (0.10.1)
       rack (>= 1.2.0)
@@ -135,8 +135,8 @@ 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 (4.2.6)
       actionpack (= 4.2.6)
       activesupport (= 4.2.6)