diff --git a/Cargo.lock b/Cargo.lock
index 004081f..0b9349d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -13,6 +13,12 @@ dependencies = [
  "password-hash",
 ]
 
+[[package]]
+name = "autocfg"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
+
 [[package]]
 name = "base64ct"
 version = "1.0.1"
@@ -273,12 +279,12 @@ dependencies = [
 
 [[package]]
 name = "tokio"
-version = "1.19.0"
+version = "1.20.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f392c8f16bda3456c0b00c6de39cb100449b98de55ac41c6cdd2bfcf53a1245"
+checksum = "eb78f30e4b41e98ca4cce5acb51168a033839a7af9e42b380355808e14e98ee0"
 dependencies = [
+ "autocfg",
  "num_cpus",
- "once_cell",
  "pin-project-lite",
 ]