diff --git a/Gemfile.lock b/Gemfile.lock
index e659e43045..f149714e96 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -314,7 +314,7 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     loadcss-rails (2.0.1)
-    loofah (2.18.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -360,7 +360,7 @@ GEM
     netrc (0.11.0)
     nifty-generators (0.4.6)
     nio4r (2.5.8)
-    nokogiri (1.13.9)
+    nokogiri (1.13.10)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     nokogumbo (2.0.5)
@@ -421,7 +421,7 @@ GEM
     public_suffix (5.0.0)
     puma (5.6.5)
       nio4r (~> 2.0)
-    racc (1.6.0)
+    racc (1.6.1)
     rack (2.2.4)
     rack-accept (0.4.5)
       rack (>= 0.4)
@@ -454,8 +454,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.4.3)
-      loofah (~> 2.3)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     rails-i18n (5.1.3)
       i18n (>= 0.7, < 2)
       railties (>= 5.0, < 6)