diff --git a/Gemfile.lock b/Gemfile.lock
index 8fd3782..a99c3bf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -343,7 +343,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.4.0)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
@@ -373,7 +373,7 @@ GEM
     nested_form (0.3.2)
     netrc (0.11.0)
     nio4r (2.2.0)
-    nokogiri (1.10.9)
+    nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     oauth (0.5.4)
     oauth2 (1.4.0)
@@ -454,7 +454,7 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.3.0)
+    rails-html-sanitizer (1.4.3)
       loofah (~> 2.3)
     rails-i18n (5.1.1)
       i18n (>= 0.7, < 2)