diff --git a/Gemfile.lock b/Gemfile.lock
index 7685fa7..55bfb88 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -56,7 +56,7 @@ GEM
     builder (3.2.3)
     byebug (11.0.1)
     concurrent-ruby (1.1.5)
-    crass (1.0.5)
+    crass (1.0.6)
     database_cleaner (1.7.0)
     diff-lcs (1.3)
     erubi (1.9.0)
@@ -78,7 +78,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.3.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -95,7 +95,7 @@ GEM
     multi_xml (0.6.0)
     multipart-post (2.1.1)
     nio4r (2.5.2)
-    nokogiri (1.10.4)
+    nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     oauth (0.5.4)
     oauth2 (1.4.2)
@@ -152,8 +152,8 @@ 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 (5.2.3)
       actionpack (= 5.2.3)
       activesupport (= 5.2.3)