diff --git a/Gemfile.lock b/Gemfile.lock
index 1a7feea..50058b0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -39,7 +39,7 @@ GEM
     async-http-faraday (0.12.0)
       async-http (~> 0.42)
       faraday
-    async-io (1.37.0)
+    async-io (1.38.0)
       async
     async-pool (0.4.0)
       async (>= 1.25)