diff --git a/railsapp/Gemfile.lock b/railsapp/Gemfile.lock
index e478647..c318fd2 100644
--- a/railsapp/Gemfile.lock
+++ b/railsapp/Gemfile.lock
@@ -93,7 +93,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.12.0)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -108,7 +108,7 @@ GEM
     net-http2 (0.18.4)
       http-2 (~> 0.11)
     nio4r (2.5.8)
-    nokogiri (1.13.4)
+    nokogiri (1.13.6)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     pg (1.2.3)
@@ -135,7 +135,7 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.4.2)
+    rails-html-sanitizer (1.4.3)
       loofah (~> 2.3)
     railties (5.2.6)
       actionpack (= 5.2.6)