diff --git a/Gemfile.lock b/Gemfile.lock
index 78bbfa1..5863260 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -16,7 +16,7 @@ GEM
       minitest (>= 5.1)
       tzinfo (~> 2.0)
       zeitwerk (~> 2.3)
-    concurrent-ruby (1.2.2)
+    concurrent-ruby (1.3.7)
     diff-lcs (1.5.0)
     faraday (1.10.3)
       faraday-em_http (~> 1.0)