diff --git a/Gemfile.lock b/Gemfile.lock
index 816e360..612aacb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -26,7 +26,7 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.3.6)
+    concurrent-ruby (1.3.7)
     connection_pool (3.0.2)
     contracts (0.17.2)
     dotenv (3.1.8)