diff --git a/Gemfile.lock b/Gemfile.lock
index 75b854b706838b..73cc01560eab96 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -221,7 +221,8 @@ GEM
       actionpack (>= 4, <= 5.1.0)
       activesupport (>= 4, <= 5.1.0)
       railties (>= 4, <= 5.1.0)
-    loofah (2.0.3)
+    loofah (2.19.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.5)
       mime-types (>= 1.16, < 4)
@@ -233,7 +234,9 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_portile2 (2.1.0)
     minitest (5.10.1)
     multi_json (1.12.1)
@@ -311,8 +314,8 @@ GEM
     rails-dom-testing (2.0.2)
       activesupport (>= 4.2.0, < 6.0)
       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-i18n (5.0.3)
       i18n (~> 0.7)
       railties (~> 5.0)