diff --git a/test_apps/test_app_rails_5_1/Gemfile.lock b/test_apps/test_app_rails_5_1/Gemfile.lock
index deb4eb7..5f86da0 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/
@@ -58,7 +56,7 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.5)
     countries (2.1.2)
       i18n_data (~> 0.8.0)
       money (~> 6.9)
@@ -106,7 +104,7 @@ GEM
     nio4r (2.1.0)
     nokogiri (1.8.0)
       mini_portile2 (~> 2.2.0)
-    rack (2.0.3)
+    rack (2.0.7)
     rack-test (0.7.0)
       rack (>= 1.0, < 3)
     rails (5.1.4)
@@ -152,12 +150,14 @@ 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)
     sort_alphabetical (1.1.0)
       unicode_utils (>= 1.2.2)
-    sprockets (3.7.1)
+    sprockets (3.7.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-rails (3.2.1)