diff --git a/test_apps/test_app_rails_5_1/Gemfile.lock b/test_apps/test_app_rails_5_1/Gemfile.lock
index deb4eb7..fa68743 100644
--- a/test_apps/test_app_rails_5_1/Gemfile.lock
+++ b/test_apps/test_app_rails_5_1/Gemfile.lock
@@ -5,8 +5,6 @@ PATH
       actionpack (>= 4.0)
       base32
       rails (>= 4.0)
-    shoulda-kept-assign-to (1.1.0)
-      shoulda-matchers (>= 2.1.0)
 
 GEM
   remote: https://rubygems.org/
@@ -95,7 +93,7 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.2.0)
+    mini_portile2 (2.8.0)
     minitest (5.10.3)
     mocha (1.3.0)
       metaclass (~> 0.0.1)
@@ -104,8 +102,10 @@ GEM
     multi_json (1.12.2)
     mysql2 (0.4.9)
     nio4r (2.1.0)
-    nokogiri (1.8.0)
-      mini_portile2 (~> 2.2.0)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
+    racc (1.6.0)
     rack (2.0.3)
     rack-test (0.7.0)
       rack (>= 1.0, < 3)
@@ -152,6 +152,8 @@ GEM
       shoulda-context (~> 1.0, >= 1.0.1)
       shoulda-matchers (>= 1.4.1, < 3.0)
     shoulda-context (1.2.2)
+    shoulda-kept-assign-to (1.1.0)
+      shoulda-matchers (>= 2.1.0)
     shoulda-matchers (2.8.0)
       activesupport (>= 3.0.0)
     sixarm_ruby_unaccent (1.2.0)