diff --git a/Cargo.lock b/Cargo.lock
index 68649f9c..7f4fd8af 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -870,7 +870,7 @@ dependencies = [
  "http 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.13.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper-rustls 0.19.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "hyper-timeout 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper-timeout 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1164,7 +1164,7 @@ dependencies = [
  "hyper 0.13.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper-rustls 0.19.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper-socks2 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "hyper-timeout 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper-timeout 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)",
  "rand 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1360,13 +1360,12 @@ dependencies = [
 
 [[package]]
 name = "hyper-timeout"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.13.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io-timeout 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2963,16 +2962,6 @@ dependencies = [
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "tokio-io"
-version = "0.1.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "tokio-io-timeout"
 version = "0.4.0"
@@ -3489,7 +3478,7 @@ dependencies = [
 "checksum hyper 0.13.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e7b15203263d1faa615f9337d79c1d37959439dc46c2b4faab33286fadc2a1c5"
 "checksum hyper-rustls 0.19.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f6ea6215c7314d450ee45970ab8b3851ab447a0e6bafdd19e31b20a42dbb7faf"
 "checksum hyper-socks2 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b950dc6d3ea74cbb1f4c4ad217c20ca3e846b3f39468baef13d222c80a386bd6"
-"checksum hyper-timeout 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d2e98d46e385ee702f80447f78f7703ff7afb6d7080e51535400f5924746023f"
+"checksum hyper-timeout 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0d1f9b0b8258e3ef8f45928021d3ef14096c2b93b99e4b8cfcabf1f58ec84b0a"
 "checksum hyper-tls 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3adcd308402b9553630734e9c36b77a7e48b3821251ca2493e8cd596763aafaa"
 "checksum idna 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "38f09e0f0b1fb55fdee1f17470ad800da77af5186a1a76c026b679358b7e844e"
 "checksum idna 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "02e2673c30ee86b5b96a9cb52ad15718aa1f966f5ab9ad54a8b95d5ca33120a9"
@@ -3669,7 +3658,6 @@ dependencies = [
 "checksum time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)" = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
 "checksum timer 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "31d42176308937165701f50638db1c31586f183f1aab416268216577aec7306b"
 "checksum tokio 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)" = "0fa5e81d6bc4e67fe889d5783bd2a128ab2e0cfa487e0be16b6a8d177b101616"
-"checksum tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "57fc868aae093479e3131e3d165c93b1c7474109d13c90ec0dda2a1bbfff0674"
 "checksum tokio-io-timeout 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9390a43272c8a6ac912ed1d1e2b6abeafd5047e05530a2fa304deee041a06215"
 "checksum tokio-macros 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "f0c3acc6aa564495a0f2e1d59fab677cd7f81a19994cfc7f3ad0e64301560389"
 "checksum tokio-rustls 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)" = "141afec0978abae6573065a48882c6bae44c5cc61db9b511ac4abf6a09bfd9cc"