diff --git a/Gemfile.lock b/Gemfile.lock
index 6408a48..1a89a99 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -71,6 +71,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.4)
+    crass (1.0.5)
     debug_inspector (0.0.2)
     erubis (2.7.0)
     execjs (2.7.0)
@@ -95,7 +96,8 @@ GEM
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    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)
@@ -104,13 +106,13 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mimemagic (0.3.2)
-    mini_portile2 (2.1.0)
+    mini_portile2 (2.4.0)
     minitest (5.10.1)
     multi_json (1.12.1)
     newrelic_rpm (3.18.1.330)
     nio4r (1.2.1)
-    nokogiri (1.7.0.1)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.10.5)
+      mini_portile2 (~> 2.4.0)
     paperclip (5.0.0)
       activemodel (>= 4.2.0)
       activesupport (>= 4.2.0)