diff --git a/Gemfile.lock b/Gemfile.lock
index 27eacee..eab71f8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -46,14 +46,14 @@ GEM
     arel (8.0.0)
     builder (3.2.3)
     concurrent-ruby (1.1.5)
-    crass (1.0.4)
+    crass (1.0.6)
     diff-lcs (1.3)
     erubi (1.8.0)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
     i18n (1.6.0)
       concurrent-ruby (~> 1.0)
-    loofah (2.2.3)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -63,7 +63,7 @@ GEM
     mini_portile2 (2.4.0)
     minitest (5.11.3)
     nio4r (2.3.1)
-    nokogiri (1.10.2)
+    nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     rack (2.0.7)
     rack-test (1.1.0)
@@ -83,8 +83,8 @@ 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 (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     railties (5.1.6.2)
       actionpack (= 5.1.6.2)
       activesupport (= 5.1.6.2)