diff --git a/Cargo.toml b/Cargo.toml
index 25f895b..8d23555 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,7 +18,7 @@ exclude = ["/.*"]
 async-channel = "2.0.0"
 async-executor = "1.5.0"
 async-fs = "2.0.0"
-async-io = "1.12.0"
+async-io = "2.1.0"
 async-lock = "3.0.0"
 async-net = "2.0.0"
 blocking = "1.3.0"