diff --git a/Gemfile.lock b/Gemfile.lock
index 399475454..416cc2890 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -22,7 +22,7 @@ GEM
       console (~> 1.10)
       nio4r (~> 2.3)
       timers (~> 4.1)
-    async-dns (1.2.6)
+    async-dns (1.3.0)
       async-io (~> 1.15)
     async-io (1.32.2)
       async