diff --git a/Gemfile.lock b/Gemfile.lock
index 1d21add..f515718 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -129,21 +129,21 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.5.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
       mini_mime (>= 0.1.1)
     method_source (1.0.0)
     mini_mime (1.0.2)
-    mini_portile2 (2.7.1)
+    mini_portile2 (2.8.0)
     minitest (5.14.1)
     multipart-post (2.1.1)
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
     nio4r (2.5.8)
-    nokogiri (1.13.1)
-      mini_portile2 (~> 2.7.0)
+    nokogiri (1.13.10)
+      mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     oj (3.10.6)
     pg (0.21.0)
@@ -156,7 +156,7 @@ GEM
       erubis
       que (~> 0.8)
       sinatra
-    racc (1.6.0)
+    racc (1.6.1)
     rack (2.2.3)
     rack-protection (2.0.8.1)
       rack
@@ -177,8 +177,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.3.0)
-      loofah (~> 2.3)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     railties (5.1.7)
       actionpack (= 5.1.7)
       activesupport (= 5.1.7)