diff --git a/Cargo.lock b/Cargo.lock
index e308d87f7..e0a1ed992 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -439,7 +439,7 @@ dependencies = [
  "indexmap 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-util 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -498,7 +498,7 @@ dependencies = [
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "pin-project 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower-service 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "want 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1190,7 +1190,7 @@ dependencies = [
 
 [[package]]
 name = "tokio"
-version = "0.2.5"
+version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1217,7 +1217,7 @@ dependencies = [
  "futures-sink 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "pin-project-lite 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1252,7 +1252,7 @@ source = "git+https://github.com/tower-rs/tower#2dc9a72bea615dcbf855bdfcaf308345
 dependencies = [
  "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "pin-project 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower-layer 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower-service 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tracing 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1280,7 +1280,7 @@ source = "git+https://github.com/tower-rs/tower#2dc9a72bea615dcbf855bdfcaf308345
 dependencies = [
  "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "pin-project 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower-layer 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower-service 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1293,7 +1293,7 @@ dependencies = [
  "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "pin-project 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower-discover 0.3.0 (git+https://github.com/tower-rs/tower)",
  "tower-service 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1316,7 +1316,7 @@ source = "git+https://github.com/tower-rs/tower#2dc9a72bea615dcbf855bdfcaf308345
 dependencies = [
  "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "pin-project 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower-layer 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower-service 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1332,7 +1332,7 @@ version = "0.3.0"
 source = "git+https://github.com/tower-rs/tower#2dc9a72bea615dcbf855bdfcaf3083458d9f15a6"
 dependencies = [
  "pin-project 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower-layer 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower-service 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1551,7 +1551,7 @@ dependencies = [
  "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "thiserror 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-util 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower 0.3.0 (git+https://github.com/tower-rs/tower)",
  "tower-load 0.3.0 (git+https://github.com/tower-rs/tower)",
@@ -1585,7 +1585,7 @@ dependencies = [
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower 0.3.0 (git+https://github.com/tower-rs/tower)",
  "tracing 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1742,7 +1742,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum thiserror-impl 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)" = "eb2e25d25307eb8436894f727aba8f65d07adf02e5b35a13cebed48bd282bfef"
 "checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
 "checksum time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)" = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
-"checksum tokio 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "13fb0a0dab58ae3db3832810b2aabb98dd42be27c04e7f7f1ae3a6ac78f858d1"
+"checksum tokio 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "0e1bef565a52394086ecac0a6fa3b8ace4cb3a138ee1d96bd2b93283b56824e3"
 "checksum tokio-util 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "571da51182ec208780505a32528fc5512a8fe1443ab960b3f2f3ef093cd16930"
 "checksum toml 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)" = "01d1404644c8b12b16bfcffa4322403a91a451584daaaa7c28d3152e6cbc98cf"
 "checksum tower 0.3.0 (git+https://github.com/tower-rs/tower)" = "<none>"