diff --git a/Cargo.lock b/Cargo.lock
index 792a983..17e57b9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -91,7 +91,7 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.7.11"
+version = "0.8.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf80d3e903b34e0bd7282b218398aec54e082c840d9baf8339e0080a0c542956"
 dependencies = [