diff --git a/Gemfile.lock b/Gemfile.lock
index ef0ef45..7f46729 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -78,6 +78,7 @@ GEM
     concurrent-ruby (1.0.4)
     crack (0.4.2)
       safe_yaml (~> 1.0.0)
+    crass (1.0.6)
     database_cleaner (1.4.1)
     debug_inspector (0.0.2)
     delayed_job (4.0.6)
@@ -161,7 +162,8 @@ GEM
     listen (3.0.5)
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)
-    loofah (2.0.3)
+    loofah (2.19.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.10)
     mail (2.6.4)
@@ -170,7 +172,7 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.1.0)
+    mini_portile2 (2.4.0)
     minitest (5.10.1)
     monban (0.2.1)
       bcrypt
@@ -185,8 +187,8 @@ GEM
       sass (>= 3.3)
     nenv (0.2.0)
     newrelic_rpm (3.13.0.299)
-    nokogiri (1.7.0.1)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.10.10)
+      mini_portile2 (~> 2.4.0)
     normalize-rails (3.0.3)
     notiffany (0.0.8)
       nenv (~> 0.1)
@@ -224,8 +226,8 @@ GEM
       activesupport (>= 4.2.0.beta, < 5.0)
       nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     railties (4.2.7.1)
       actionpack (= 4.2.7.1)
       activesupport (= 4.2.7.1)