diff --git a/Gemfile.lock b/Gemfile.lock
index 411a551..23830d3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -147,7 +147,7 @@ GEM
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    loofah (2.18.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -166,7 +166,7 @@ GEM
       racc (~> 1.4)
     public_suffix (5.0.0)
     puma (3.12.6)
-    racc (1.6.0)
+    racc (1.6.1)
     rack (2.2.4)
     rack-cors (1.1.1)
       rack (>= 2.0.0)
@@ -187,8 +187,8 @@ 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)
     railties (5.0.7.2)
       actionpack (= 5.0.7.2)
       activesupport (= 5.0.7.2)