diff --git a/Gemfile.lock b/Gemfile.lock
index e306235..7c0c9fc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -21,7 +21,7 @@ GEM
       uri (>= 0.13.1)
     base64 (0.3.0)
     bigdecimal (3.3.1)
-    concurrent-ruby (1.3.5)
+    concurrent-ruby (1.3.7)
     connection_pool (2.5.4)
     drb (2.2.3)
     i18n (1.14.7)