diff --git a/Gemfile.lock b/Gemfile.lock
index 25d5b30..9798ee4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -50,7 +50,7 @@ GEM
       kaminari-core (= 1.2.1)
     kaminari-core (1.2.1)
     lefthook (0.7.6)
-    loofah (2.12.0)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     method_source (1.0.0)
@@ -66,11 +66,11 @@ GEM
     pry (0.14.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    racc (1.5.2)
+    racc (1.6.0)
     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)
     rainbow (3.0.0)
     rake (13.0.6)