diff --git a/Gemfile.lock b/Gemfile.lock
index 27bb95f..639d27c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -25,7 +25,7 @@ GEM
       public_suffix (>= 2.0.2, < 7.0)
     ast (2.4.2)
     bigdecimal (3.3.1)
-    concurrent-ruby (1.2.2)
+    concurrent-ruby (1.3.7)
     crack (1.0.1)
       bigdecimal
       rexml