diff --git a/spec/dummy_app/Gemfile.lock b/spec/dummy_app/Gemfile.lock
index da87361..1d6ab24 100644
--- a/spec/dummy_app/Gemfile.lock
+++ b/spec/dummy_app/Gemfile.lock
@@ -102,7 +102,7 @@ GEM
     kaminari-mongoid (1.0.2)
       kaminari-core (~> 1.0)
       mongoid
-    loofah (2.16.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -120,7 +120,7 @@ GEM
       ruby2_keywords (~> 0.0.5)
     nested_form (0.3.2)
     nio4r (2.5.8)
-    nokogiri (1.13.4)
+    nokogiri (1.13.10)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     pry (0.13.1)
@@ -129,7 +129,7 @@ GEM
     pry-byebug (3.9.0)
       byebug (~> 11.0)
       pry (~> 0.13.0)
-    racc (1.6.0)
+    racc (1.6.1)
     rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -151,8 +151,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.4.2)
-      loofah (~> 2.3)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     rails_admin (3.0.0)
       activemodel-serializers-xml (>= 1.0)
       kaminari (>= 0.14, < 2.0)