diff --git a/Gemfile.lock b/Gemfile.lock
index 0f66d52..88a2d3f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -39,6 +39,7 @@ GEM
     arel (6.0.3)
     builder (3.2.2)
     concurrent-ruby (1.0.2)
+    crass (1.0.5)
     erubis (2.7.0)
     globalid (0.3.6)
       activesupport (>= 4.1.0)
@@ -48,17 +49,18 @@ GEM
       thor (>= 0.14, < 2.0)
     json (1.8.3)
     kgio (2.9.2)
-    loofah (2.0.3)
+    loofah (2.3.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.4)
       mime-types (>= 1.16, < 4)
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.0.0)
+    mini_portile2 (2.1.0)
     minitest (5.9.0)
-    nokogiri (1.6.7.2)
-      mini_portile2 (~> 2.0.0.rc2)
+    nokogiri (1.6.8.1)
+      mini_portile2 (~> 2.1.0)
     pg (0.17.1)
     rack (1.6.4)
     rack-cors (0.2.9)