diff --git a/Gemfile.lock b/Gemfile.lock
index bf46e8b3..487076c4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -115,7 +115,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.7.0)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -132,7 +132,7 @@ GEM
     msgpack (1.2.9)
     multi_json (1.13.1)
     nio4r (2.5.4)
-    nokogiri (1.13.4)
+    nokogiri (1.13.6)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     popper_js (1.14.5)
@@ -159,7 +159,7 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.3.0)
+    rails-html-sanitizer (1.4.3)
       loofah (~> 2.3)
     railties (5.2.4.4)
       actionpack (= 5.2.4.4)