diff --git a/Gemfile.lock b/Gemfile.lock
index 4b0c0172..f140164f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,7 +2,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.3)
-    concurrent-ruby (1.3.6)
+    concurrent-ruby (1.3.7)
     csv (3.3.5)
     ffi (1.17.4)
     fileutils (1.8.0)