diff --git a/Gemfile.lock b/Gemfile.lock
index fbd08bb..7e06201 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -46,6 +46,7 @@ GEM
     arel (6.0.4)
     builder (3.2.2)
     concurrent-ruby (1.1.5)
+    crass (1.0.6)
     diff-lcs (1.2.5)
     docile (1.1.5)
     erubis (2.7.0)
@@ -55,15 +56,16 @@ GEM
       activesupport (>= 4.2.0)
     i18n (0.7.0)
     json (1.8.3)
-    loofah (2.0.3)
+    loofah (2.19.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
       mini_mime (>= 0.1.1)
     mini_mime (1.0.1)
-    mini_portile2 (2.0.0)
+    mini_portile2 (2.1.0)
     minitest (5.8.4)
-    nokogiri (1.6.7.2)
-      mini_portile2 (~> 2.0.0.rc2)
+    nokogiri (1.6.8.1)
+      mini_portile2 (~> 2.1.0)
     rack (1.6.4)
     rack-protection (1.5.5)
       rack