diff --git a/Cargo.lock b/Cargo.lock
index 4c9eeb821..c084c344a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -114,6 +114,11 @@ dependencies = [
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "anyhow"
+version = "1.0.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "app_dirs"
 version = "1.2.1"
@@ -153,7 +158,7 @@ name = "attohttpc"
 version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -426,6 +431,11 @@ dependencies = [
  "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "bumpalo"
+version = "3.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "byte-slice-cast"
 version = "0.3.4"
@@ -655,6 +665,20 @@ dependencies = [
  "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "core-foundation"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "core-foundation-sys 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "core-foundation-sys"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "criterion"
 version = "0.3.0"
@@ -782,10 +806,10 @@ dependencies = [
 
 [[package]]
 name = "ct-logs"
-version = "0.5.1"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "sct 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sct 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1795,9 +1819,9 @@ version = "0.1.0"
 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)",
- "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.12.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "hyper-rustls 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper-rustls 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1934,7 +1958,7 @@ dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "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 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2022,7 +2046,7 @@ dependencies = [
 
 [[package]]
 name = "http"
-version = "0.1.17"
+version = "0.1.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2052,7 +2076,7 @@ dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-cpupool 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "h2 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "httparse 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2071,20 +2095,18 @@ dependencies = [
 
 [[package]]
 name = "hyper-rustls"
-version = "0.16.0"
+version = "0.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "ct-logs 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ct-logs 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.12.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustls 0.15.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustls 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustls-native-certs 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-rustls 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-tcp 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "webpki 0.19.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "webpki-roots 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-rustls 0.10.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "webpki 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2119,7 +2141,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "attohttpc 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2277,6 +2299,14 @@ dependencies = [
  "rlp 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "js-sys"
+version = "0.3.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "wasm-bindgen 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "jsonrpc-core"
 version = "14.0.5"
@@ -2934,6 +2964,11 @@ name = "opaque-debug"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "openssl-probe"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "order-stat"
 version = "0.1.3"
@@ -3963,14 +3998,15 @@ dependencies = [
 
 [[package]]
 name = "ring"
-version = "0.14.6"
+version = "0.16.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
  "spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "untrusted 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "web-sys 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -4066,15 +4102,25 @@ dependencies = [
 
 [[package]]
 name = "rustls"
-version = "0.15.1"
+version = "0.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "ring 0.14.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "sct 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "webpki 0.19.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ring 0.16.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sct 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "webpki 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rustls-native-certs"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "openssl-probe 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustls 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "schannel 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "security-framework 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4095,6 +4141,15 @@ dependencies = [
  "winapi-util 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "schannel"
+version = "0.1.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "scopeguard"
 version = "0.3.3"
@@ -4119,11 +4174,30 @@ dependencies = [
 
 [[package]]
 name = "sct"
-version = "0.5.0"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "ring 0.14.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ring 0.16.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "untrusted 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "security-framework"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "core-foundation 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "core-foundation-sys 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "security-framework-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "security-framework-sys"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "core-foundation-sys 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4360,6 +4434,11 @@ dependencies = [
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "sourcefile"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "spec"
 version = "0.1.0"
@@ -4748,13 +4827,15 @@ dependencies = [
 
 [[package]]
 name = "tokio-rustls"
-version = "0.9.0"
+version = "0.10.3"
 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)",
- "rustls 0.15.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustls 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "webpki 0.19.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "webpki 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -5048,7 +5129,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "untrusted"
-version = "0.6.2"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -5247,6 +5328,70 @@ dependencies = [
  "wasmi 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.58"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-macro 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.58"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bumpalo 3.1.2 (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)",
+ "proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-shared 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.58"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-macro-support 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.58"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-backend 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-shared 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.58"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "wasm-bindgen-webidl"
+version = "0.2.58"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "anyhow 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "heck 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-backend 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+ "weedle 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "wasmi"
 version = "0.3.0"
@@ -5259,21 +5404,32 @@ dependencies = [
 ]
 
 [[package]]
-name = "webpki"
-version = "0.19.1"
+name = "web-sys"
+version = "0.3.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "ring 0.14.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "anyhow 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "js-sys 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sourcefile 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-webidl 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "webpki-roots"
-version = "0.16.0"
+name = "webpki"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "webpki 0.19.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ring 0.16.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "untrusted 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "weedle"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "nom 4.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -5406,6 +5562,7 @@ dependencies = [
 "checksum aho-corasick 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)" = "68f56c7353e5a9547cbd76ed90f7bb5ffc3ba09d4ea9bd1d8c06c8b1142eeb5a"
 "checksum aho-corasick 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)" = "58fb5e95d83b38284460a5fda7d6470aa0b8844d283a0b614b8535e880800d2d"
 "checksum ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
+"checksum anyhow 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)" = "7825f6833612eb2414095684fcf6c635becf3ce97fe48cf6421321e93bfbd53c"
 "checksum app_dirs 1.2.1 (git+https://github.com/paritytech/app-dirs-rs)" = "<none>"
 "checksum arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "0d382e583f07208808f6b1249e60848879ba3543f57c32277bf52d69c2f0f0ee"
 "checksum arrayvec 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)" = "b8d73f9beda665eaa98ab9e4f7442bd4e7de6652587de55b2525e52e29c1b0ba"
@@ -5432,6 +5589,7 @@ dependencies = [
 "checksum block-padding 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "6d4dc3af3ee2e12f3e5d224e5e1e3d73668abbeb69e566d361f7d5563a4fdf09"
 "checksum bn 0.4.4 (git+https://github.com/paritytech/bn)" = "<none>"
 "checksum bstr 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "8d6c2c5b58ab920a4f5aeaaca34b4488074e8cc7596af94e6f8c6ff247c60245"
+"checksum bumpalo 3.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "5fb8038c1ddc0a5f73787b130f4cc75151e96ed33e417fde765eb5a81e3532f4"
 "checksum byte-slice-cast 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "f6209f3b2c1edea170002e016d5ead6903d3bb0a846477f53bbeb614967a52a9"
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-"checksum webpki-roots 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c10fa4212003ba19a564f25cd8ab572c6791f99a03cc219c13ed35ccab00de0e"
+"checksum web-sys 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)" = "aaf97caf6aa8c2b1dac90faf0db529d9d63c93846cca4911856f78a83cebf53b"
+"checksum webpki 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d7e664e770ac0110e2384769bcc59ed19e329d81f555916a6e072714957b81b4"
+"checksum weedle 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3bb43f70885151e629e2a19ce9e50bd730fd436cfd4b666894c9ce4de9141164"
 "checksum which 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b57acb10231b9493c8472b20cb57317d0679a49e0bdbee44b3b803a6473af164"
 "checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
 "checksum winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6"
diff --git a/util/fetch/Cargo.toml b/util/fetch/Cargo.toml
index 1348faf64..72039a1a4 100644
--- a/util/fetch/Cargo.toml
+++ b/util/fetch/Cargo.toml
@@ -9,7 +9,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
 [dependencies]
 futures = "0.1"
 hyper = "~0.12.9"
-hyper-rustls = "0.16.0"
+hyper-rustls = "0.18"
 http = "0.1"
 log = "0.4"
 tokio = "0.1.22"