diff --git a/moon.mod b/moon.mod
index 13ef904..d84d46c 100644
--- a/moon.mod
+++ b/moon.mod
@@ -4,7 +4,7 @@ version = "0.7.1"
 
 import {
   "maria/json_parser@0.1.1",
-  "moonbitlang/async@0.20.0",
+  "moonbitlang/async@0.20.2",
 }
 
 readme = "src/README.mbt.md"