diff --git a/Gemfile.lock b/Gemfile.lock
index a88961748..2654d5811 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -140,7 +140,7 @@ GEM
     choice (0.2.0)
     climate_control (1.2.0)
     coderay (1.1.3)
-    concurrent-ruby (1.3.6)
+    concurrent-ruby (1.3.7)
     connection_pool (3.0.2)
     countries (8.1.0)
       unaccent (~> 0.3)