diff --git a/Gemfile.lock b/Gemfile.lock
index 1b21f84..33a452b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -111,7 +111,7 @@ GEM
       regexp_parser (>= 1.5, < 3.0)
       xpath (~> 3.2)
     cocoon (1.2.15)
-    concurrent-ruby (1.3.6)
+    concurrent-ruby (1.3.7)
     connection_pool (3.0.2)
     countries (8.1.0)
       unaccent (~> 0.3)