diff --git a/Cargo.lock b/Cargo.lock
index 39683c3..df6721f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1147,9 +1147,9 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.8.1"
+version = "1.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "98c8b05dc14c75ea83d63dd391100353789f5f24b8b3866542a5e85c8be8e985"
+checksum = "50dae83881bc9b0403dd5b44ea9deed3e939856cc8722d5be37f0d6e5c6d53dd"
 dependencies = [
  "autocfg",
  "bytes",