diff --git a/Cargo.lock b/Cargo.lock
index 3a7dc718..880315e6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -761,7 +761,7 @@ dependencies = [
  "bitflags",
  "crossterm_winapi",
  "libc",
- "mio 0.8.4",
+ "mio",
  "parking_lot 0.12.0",
  "signal-hook",
  "signal-hook-mio",
@@ -2189,19 +2189,6 @@ dependencies = [
  "adler32",
 ]
 
-[[package]]
-name = "mio"
-version = "0.7.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2182a122f3b7f3f5329cb1972cee089ba2459a0a80a56935e6e674f096f8d839"
-dependencies = [
- "libc",
- "log",
- "miow",
- "ntapi",
- "winapi",
-]
-
 [[package]]
 name = "mio"
 version = "0.8.4"
@@ -2214,16 +2201,6 @@ dependencies = [
  "windows-sys 0.36.1",
 ]
 
-[[package]]
-name = "miow"
-version = "0.3.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a33c1b55807fbed163481b5ba66db4b2fa6cde694a5027be10fb724206c5897"
-dependencies = [
- "socket2 0.3.19",
- "winapi",
-]
-
 [[package]]
 name = "monero"
 version = "0.12.0"
@@ -2392,15 +2369,6 @@ dependencies = [
  "version_check",
 ]
 
-[[package]]
-name = "ntapi"
-version = "0.3.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f6bb902e437b6d86e03cce10a7e2af662292c5dfef23b65899ea3ac9354ad44"
-dependencies = [
- "winapi",
-]
-
 [[package]]
 name = "num"
 version = "0.1.42"
@@ -3643,7 +3611,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "29ad2e15f37ec9a6cc544097b78a1ec90001e9f71b81338ca39f430adaca99af"
 dependencies = [
  "libc",
- "mio 0.8.4",
+ "mio",
  "signal-hook",
 ]
 
@@ -4206,19 +4174,20 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.16.1"
+version = "1.19.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c27a64b625de6d309e8c57716ba93021dccf1b3b5c97edd6d3dd2d2135afc0a"
+checksum = "c51a52ed6686dd62c320f9b89299e9dfb46f730c7a48e635c19f21d116cb1439"
 dependencies = [
  "bytes",
  "libc",
  "memchr",
- "mio 0.7.10",
+ "mio",
  "num_cpus",
  "once_cell",
- "parking_lot 0.11.2",
+ "parking_lot 0.12.0",
  "pin-project-lite 0.2.9",
  "signal-hook-registry",
+ "socket2 0.4.7",
  "tokio-macros",
  "winapi",
 ]