diff --git a/Gemfile.lock b/Gemfile.lock
index 6695f5b..6519dfc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -47,6 +47,7 @@ GEM
     arel (7.0.0)
     builder (3.2.2)
     concurrent-ruby (1.0.1)
+    crass (1.0.5)
     erubis (2.7.0)
     globalid (0.3.6)
       activesupport (>= 4.1.0)
@@ -56,17 +57,18 @@ GEM
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     json (1.8.3)
-    loofah (2.0.3)
+    loofah (2.3.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
     method_source (0.8.2)
     mime-types (2.99.1)
-    mini_portile2 (2.0.0)
+    mini_portile2 (2.1.0)
     minitest (5.8.4)
     nio4r (1.2.1)
-    nokogiri (1.6.7.2)
-      mini_portile2 (~> 2.0.0.rc2)
+    nokogiri (1.6.8.1)
+      mini_portile2 (~> 2.1.0)
     rack (2.0.0.alpha)
       json
     rack-test (0.6.3)