diff --git a/Gemfile.lock b/Gemfile.lock
index f0a5f04..dab34ac 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -88,7 +88,7 @@ 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)
@@ -105,9 +105,9 @@ GEM
     msgpack (1.3.3)
     msgpack (1.3.3-x64-mingw32)
     nio4r (2.5.2)
-    nokogiri (1.10.9)
+    nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.9-x64-mingw32)
+    nokogiri (1.10.10-x64-mingw32)
       mini_portile2 (~> 2.4.0)
     public_suffix (4.0.6)
     puma (4.3.8)
@@ -133,8 +133,8 @@ 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 (5.2.4.3)
       actionpack (= 5.2.4.3)
       activesupport (= 5.2.4.3)