diff --git a/autocorrect-rb/Gemfile.lock b/autocorrect-rb/Gemfile.lock
index 1a73d29d..a0bee6c2 100644
--- a/autocorrect-rb/Gemfile.lock
+++ b/autocorrect-rb/Gemfile.lock
@@ -24,7 +24,7 @@ GEM
     benchmark (0.4.0)
     benchmark-ips (2.14.0)
     bigdecimal (3.1.9)
-    concurrent-ruby (1.3.4)
+    concurrent-ruby (1.3.7)
     connection_pool (2.4.1)
     drb (2.2.1)
     i18n (1.14.6)