diff --git a/spec/rails4_stub/Gemfile.lock b/spec/rails4_stub/Gemfile.lock
index f4e02e23..4229db08 100644
--- a/spec/rails4_stub/Gemfile.lock
+++ b/spec/rails4_stub/Gemfile.lock
@@ -42,30 +42,29 @@ GEM
       tzinfo (~> 1.1)
     arel (6.0.4)
     builder (3.2.3)
-    concurrent-ruby (1.0.5)
-    concurrent-ruby (1.0.5-java)
+    concurrent-ruby (1.2.3)
     crass (1.0.6)
     erubis (2.7.0)
-    globalid (0.4.1)
+    globalid (0.4.2)
       activesupport (>= 4.2.0)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     jdbc-postgres (9.4.1206)
-    loofah (2.18.0)
+    loofah (2.22.0)
       crass (~> 1.0.2)
-      nokogiri (>= 1.5.9)
+      nokogiri (>= 1.12.0)
     mail (2.7.0)
       mini_mime (>= 0.1.1)
     mini_mime (1.0.0)
-    mini_portile2 (2.8.0)
-    minitest (5.11.3)
-    nokogiri (1.13.10)
-      mini_portile2 (~> 2.8.0)
+    mini_portile2 (2.8.5)
+    minitest (5.22.3)
+    nokogiri (1.16.3)
+      mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.13.10-java)
+    nokogiri (1.16.3-java)
       racc (~> 1.4)
-    racc (1.6.1)
-    racc (1.6.1-java)
+    racc (1.7.3)
+    racc (1.7.3-java)
     rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -89,8 +88,9 @@ GEM
       activesupport (>= 4.2.0, < 5.0)
       nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.4.3)
-      loofah (~> 2.3)
+    rails-html-sanitizer (1.6.0)
+      loofah (~> 2.21)
+      nokogiri (~> 1.14)
     railties (4.2.10)
       actionpack (= 4.2.10)
       activesupport (= 4.2.10)
@@ -107,7 +107,7 @@ GEM
     thor (0.20.0)
     thread_safe (0.3.6)
     thread_safe (0.3.6-java)
-    tzinfo (1.2.10)
+    tzinfo (1.2.11)
       thread_safe (~> 0.1)
 
 PLATFORMS