diff --git a/Cargo.lock b/Cargo.lock
index 2c0c7ef..b0b86bb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "arrayvec"
@@ -193,11 +193,10 @@ dependencies = [
 
 [[package]]
 name = "tokio"
-version = "1.11.0"
+version = "1.19.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4efe6fc2395938c8155973d7be49fe8d03a843726e285e100a8a383cc0154ce"
+checksum = "c51a52ed6686dd62c320f9b89299e9dfb46f730c7a48e635c19f21d116cb1439"
 dependencies = [
- "autocfg",
  "pin-project-lite",
 ]