diff --git a/Gemfile.lock b/Gemfile.lock
index 3af9a89..e1b0960 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -51,6 +51,7 @@ GEM
       execjs
     coffee-script-source (1.8.0)
     columnize (0.9.0)
+    crass (1.0.6)
     debugger-linecache (1.2.0)
     erubis (2.7.0)
     execjs (2.2.2)
@@ -66,18 +67,19 @@ GEM
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     json (1.8.1)
-    loofah (2.0.1)
+    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 (2.4.3)
-    mini_portile (0.6.1)
+    mini_portile2 (2.1.0)
     minitest (5.5.0)
     mono_logger (1.1.0)
     multi_json (1.10.1)
-    nokogiri (1.6.5)
-      mini_portile (~> 0.6.0)
+    nokogiri (1.6.8.1)
+      mini_portile2 (~> 2.1.0)
     pry (0.10.1)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)