diff --git a/Gemfile.lock b/Gemfile.lock
index 217e227..dba2f1a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -48,7 +48,7 @@ GEM
     bundler-audit (0.9.3)
       bundler (>= 1.2.0)
       thor (~> 1.0)
-    concurrent-ruby (1.3.6)
+    concurrent-ruby (1.3.7)
     console (1.36.0)
       fiber-annotation
       fiber-local (~> 1.1)