diff --git a/Gemfile.lock b/Gemfile.lock
index 13a1dfe..fa17a31 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -215,7 +215,8 @@ GEM
       activesupport (>= 4, < 5.2)
       railties (>= 4, < 5.2)
       request_store (~> 1.0)
-    loofah (2.0.3)
+    loofah (2.19.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.6)
       mime-types (>= 1.16, < 4)
@@ -225,7 +226,7 @@ GEM
     mime-types-data (3.2016.0521)
     mini_magick (4.8.0)
     mini_mime (0.1.4)
-    mini_portile2 (2.2.0)
+    mini_portile2 (2.3.0)
     minitest (5.10.3)
     momentjs-rails (2.17.1)
       railties (>= 3.1)
@@ -233,8 +234,8 @@ GEM
     multipart-post (2.0.0)
     netrc (0.11.0)
     nio4r (2.1.0)
-    nokogiri (1.8.0)
-      mini_portile2 (~> 2.2.0)
+    nokogiri (1.8.5)
+      mini_portile2 (~> 2.3.0)
     nokogumbo (1.5.0)
       nokogiri
     orm_adapter (0.5.0)
@@ -287,8 +288,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     rails_real_favicon (0.0.7)
       json (>= 1.7, < 3)
       rails (>= 3.1)