diff --git a/Cargo.lock b/Cargo.lock
index 69c91263..49b2283a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -59,9 +59,9 @@ dependencies = [
 
 [[package]]
 name = "bumpalo"
-version = "3.10.0"
+version = "3.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37ccbd214614c6783386c1af30caf03192f17891059cecc394b4fb119e363de3"
+checksum = "0d261e256854913907f67ed06efbc3338dfe6179796deefc1ff763fc1aee5535"
 
 [[package]]
 name = "byteorder"
@@ -1216,16 +1216,15 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.18.2"
+version = "1.18.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4903bf0427cf68dddd5aa6a93220756f8be0c34fcfa9f5e6191e103e15a31395"
+checksum = "0e050c618355082ae5a89ec63bbf897225d5ffe84c7c4e036874e4d185a5044e"
 dependencies = [
  "bytes",
  "libc",
  "memchr",
  "mio",
  "num_cpus",
- "once_cell",
  "parking_lot",
  "pin-project-lite",
  "signal-hook-registry",