diff --git a/Gemfile.lock b/Gemfile.lock
index ef7ae4a..3d822f4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -44,7 +44,7 @@ GEM
     arel (6.0.4)
     builder (3.2.3)
     concurrent-ruby (1.0.5)
-    crass (1.0.3)
+    crass (1.0.6)
     diff-lcs (1.2.5)
     domain_name (0.5.20161129)
       unf (>= 0.0.5, < 1.0.0)
@@ -56,7 +56,7 @@ GEM
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     json (1.8.6)
-    loofah (2.2.2)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
@@ -65,11 +65,13 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mini_mime (1.0.0)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     netrc (0.11.0)
-    nokogiri (1.8.2)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.13.10)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
+    racc (1.6.1)
     rack (1.6.9)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -90,8 +92,8 @@ GEM
       activesupport (>= 4.2.0, < 5.0)
       nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
+    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)