diff --git a/Gemfile.lock b/Gemfile.lock
index 176213a..f6fa7e5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -49,6 +49,7 @@ GEM
       debugger-linecache (~> 1.2)
     coderay (1.0.8)
     columnize (0.9.0)
+    crass (1.0.5)
     debugger (1.6.8)
       columnize (>= 0.3.1)
       debugger-linecache (~> 1.2.0)
@@ -76,7 +77,8 @@ GEM
     json (1.8.2)
     json (1.8.2-java)
     listen (0.5.3)
-    loofah (2.0.1)
+    loofah (2.3.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.2)
     mail (2.6.3)
@@ -84,12 +86,12 @@ GEM
     method_source (0.8.1)
     middleware (0.1.0)
     mime-types (2.4.3)
-    mini_portile (0.6.2)
+    mini_portile2 (2.1.0)
     minitest (5.5.1)
     multi_json (1.11.0)
-    nokogiri (1.6.6.2)
-      mini_portile (~> 0.6.0)
-    nokogiri (1.6.6.2-java)
+    nokogiri (1.6.8.1)
+      mini_portile2 (~> 2.1.0)
+    nokogiri (1.6.8.1-java)
     power_assert (0.2.2)
     pry (0.9.10)
       coderay (~> 1.0.5)