diff --git a/Gemfile.lock b/Gemfile.lock
index 3424bbd..e4180d3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -124,7 +124,7 @@ GEM
       xpath (~> 3.2)
     childprocess (5.1.0)
       logger (~> 1.5)
-    concurrent-ruby (1.3.6)
+    concurrent-ruby (1.3.7)
     connection_pool (3.0.2)
     crass (1.0.6)
     csv (3.3.5)