diff --git a/Gemfile.lock b/Gemfile.lock
index 6d0aee0..7074391 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -94,6 +94,7 @@ GEM
     connection_pool (2.2.0)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
+    crass (1.0.6)
     curb (0.9.3)
     database_cleaner (1.5.1)
     debug_inspector (0.0.2)
@@ -137,7 +138,8 @@ GEM
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    loofah (2.0.3)
+    loofah (2.18.0)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.4)
       mime-types (>= 1.16, < 4)
@@ -145,7 +147,9 @@ 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 (5.9.1)
     multi_json (1.12.1)
@@ -193,8 +197,8 @@ GEM
     rails-dom-testing (2.0.1)
       activesupport (>= 4.2.0, < 6.0)
       nokogiri (~> 1.6.0)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.4.3)
+      loofah (~> 2.3)
     railties (5.0.0.1)
       actionpack (= 5.0.0.1)
       activesupport (= 5.0.0.1)