diff --git a/Gemfile.lock b/Gemfile.lock
index 2a17b3f..f749969 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -61,7 +61,7 @@ GEM
     coderay (1.1.2)
     concurrent-ruby (1.1.5)
     connection_pool (2.2.2)
-    crass (1.0.5)
+    crass (1.0.6)
     declarative (0.0.10)
     declarative-option (0.1.0)
     diff-lcs (1.3)
@@ -111,7 +111,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.4.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -129,7 +129,7 @@ GEM
     multipart-post (2.1.1)
     newrelic_rpm (6.7.0.359)
     nio4r (2.5.2)
-    nokogiri (1.10.7)
+    nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     os (1.0.1)
     pg (0.21.0)
@@ -160,8 +160,8 @@ 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)