diff --git a/Gemfile.lock b/Gemfile.lock
index 906a073..999ff1d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -50,7 +50,7 @@ GEM
     coderay (1.1.2)
     columnize (0.9.0)
     concurrent-ruby (1.1.4)
-    crass (1.0.4)
+    crass (1.0.6)
     debug_inspector (0.0.3)
     debugger-linecache (1.2.0)
     erubis (2.7.0)
@@ -90,7 +90,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.3)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.13)
@@ -100,12 +100,14 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_backtrace (0.1.3)
       minitest (> 1.2.0)
       rails (>= 2.3.3)
     mini_mime (1.0.1)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.8.1)
     minitest-reporters (1.0.5)
       ansi
@@ -114,8 +116,9 @@ GEM
       ruby-progressbar
     multi_json (1.13.1)
     nenv (0.3.0)
-    nokogiri (1.9.1)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -141,6 +144,7 @@ GEM
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
+    racc (1.6.0)
     rack (1.6.11)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -161,8 +165,8 @@ 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 (1.4.3)
+      loofah (~> 2.3)
     rails-i18n (4.0.9)
       i18n (~> 0.7)
       railties (~> 4.0)