diff --git a/spec/dummy/rails/Gemfile.lock b/spec/dummy/rails/Gemfile.lock
index 9b8515f..5498c26 100644
--- a/spec/dummy/rails/Gemfile.lock
+++ b/spec/dummy/rails/Gemfile.lock
@@ -24,6 +24,8 @@ GEM
     builder (3.2.2)
     byebug (9.0.4)
     coderay (1.1.1)
+    concurrent-ruby (1.2.3)
+    crass (1.0.6)
     diff-lcs (1.2.5)
     erubis (2.7.0)
     ffi (1.9.10)
@@ -37,21 +39,24 @@ GEM
       pry (>= 0.9.12)
       shellany (~> 0.0)
       thor (>= 0.18.1)
-    i18n (0.7.0)
-    json (1.8.3)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
+    json (1.8.6)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.0.3)
-      nokogiri (>= 1.5.9)
+    loofah (2.22.0)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.12.0)
     lumberjack (1.0.10)
     method_source (0.8.2)
-    mini_portile2 (2.0.0)
-    minitest (5.9.0)
+    mini_portile2 (2.8.6)
+    minitest (5.22.3)
     nenv (0.3.0)
-    nokogiri (1.6.7.2)
-      mini_portile2 (~> 2.0.0.rc2)
+    nokogiri (1.16.5)
+      mini_portile2 (~> 2.8.2)
+      racc (~> 1.4)
     notiffany (0.1.0)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -65,17 +70,19 @@ GEM
     pry-byebug (3.4.0)
       byebug (~> 9.0)
       pry (~> 0.10)
+    racc (1.7.3)
     rack (1.6.4)
     rack-test (0.6.3)
       rack (>= 1.0)
-    rails-deprecated_sanitizer (1.0.3)
+    rails-deprecated_sanitizer (1.0.4)
       activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.7)
-      activesupport (>= 4.2.0.beta, < 5.0)
-      nokogiri (~> 1.6.0)
+    rails-dom-testing (1.0.9)
+      activesupport (>= 4.2.0, < 5.0)
+      nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.6.0)
+      loofah (~> 2.21)
+      nokogiri (~> 1.14)
     railties (4.2.6)
       actionpack (= 4.2.6)
       activesupport (= 4.2.6)
@@ -110,7 +117,7 @@ GEM
     shellany (0.0.1)
     slop (3.6.0)
     thor (0.19.1)
-    thread_safe (0.3.5)
+    thread_safe (0.3.6)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
     unicode-display_width (1.0.5)