diff --git a/spec/bundle/unpatched_gems_with_dot_configuration/Gemfile.lock b/spec/bundle/unpatched_gems_with_dot_configuration/Gemfile.lock
index 2261e068..8765d288 100644
--- a/spec/bundle/unpatched_gems_with_dot_configuration/Gemfile.lock
+++ b/spec/bundle/unpatched_gems_with_dot_configuration/Gemfile.lock
@@ -14,7 +14,7 @@ GEM
       multi_json (~> 1.0)
     arel (3.0.3)
     builder (3.0.4)
-    concurrent-ruby (1.1.7)
+    concurrent-ruby (1.3.7)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     multi_json (1.15.0)