diff --git a/Gemfile.lock b/Gemfile.lock
index bc2b3db..2316ccc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -74,7 +74,7 @@ GEM
     childprocess (0.9.0)
       ffi (~> 1.0, >= 1.0.11)
     concurrent-ruby (1.1.5)
-    crass (1.0.4)
+    crass (1.0.6)
     database_cleaner (1.7.0)
     diff-lcs (1.3)
     docile (1.3.1)
@@ -116,7 +116,7 @@ GEM
       celluloid (~> 0.16.0)
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)
-    loofah (2.2.3)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -127,16 +127,19 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0331)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.11.3)
     msgpack (1.2.10)
     mustache (1.1.0)
     netrc (0.11.0)
     nio4r (2.3.1)
-    nokogiri (1.10.3)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     overcommit (0.48.0)
       childprocess (~> 0.6, >= 0.6.3)
       iniparse (~> 1.4)
@@ -146,6 +149,7 @@ GEM
     pg (1.1.4)
     public_suffix (3.0.3)
     puma (3.12.1)
+    racc (1.6.0)
     rack (2.0.7)
     rack-cors (1.0.3)
     rack-test (1.1.0)
@@ -166,8 +170,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.4.3)
+      loofah (~> 2.3)
     railties (5.2.3)
       actionpack (= 5.2.3)
       activesupport (= 5.2.3)