diff --git a/Cargo.lock b/Cargo.lock
index b807d56..18f23ba 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -712,6 +712,11 @@ name = "linked-hash-map"
 version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "linked-hash-map"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "lock_api"
 version = "0.1.3"
@@ -1021,7 +1026,7 @@ name = "rand_chacha"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "rand_core 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1040,7 +1045,7 @@ name = "rand_hc"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "rand_core 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1065,7 +1070,7 @@ name = "rand_xorshift"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "rand_core 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1169,7 +1174,7 @@ dependencies = [
  "num_cpus 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
- "yaml-rust 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_yaml 0.8.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1278,6 +1283,17 @@ dependencies = [
  "url 1.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "serde_yaml"
+version = "0.8.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "dtoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "linked-hash-map 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
+ "yaml-rust 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "sha1"
 version = "0.6.0"
@@ -1906,6 +1922,7 @@ dependencies = [
 "checksum libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)" = "76e3a3ef172f1a0b9a9ff0dd1491ae5e6c948b94479a3021819ba7d860c8645d"
 "checksum libflate 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)" = "21138fc6669f438ed7ae3559d5789a5f0ba32f28c1f0608d1e452b0bb06ee936"
 "checksum linked-hash-map 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7860ec297f7008ff7a1e3382d7f7e1dcd69efc94751a2284bafc3d013c2aa939"
+"checksum linked-hash-map 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "70fb39025bc7cdd76305867c4eccf2f2dcf6e9a57f5b21a93e1c2d86cd03ec9e"
 "checksum lock_api 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "949826a5ccf18c1b3a7c3d57692778d21768b79e46eb9dd07bfc4c2160036c54"
 "checksum log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c84ec4b527950aa83a329754b01dbe3f58361d1c5efacd1f6d68c494d08a17c6"
 "checksum lru-cache 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4d06ff7ff06f729ce5f4e227876cb88d10bc59cd4ae1e09fbb2bde15c850dc21"
@@ -1968,6 +1985,7 @@ dependencies = [
 "checksum serde_derive 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)" = "225de307c6302bec3898c51ca302fc94a7a1697ef0845fcee6448f33c032249c"
 "checksum serde_json 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)" = "59790990c5115d16027f00913e2e66de23a51f70422e549d2ad68c8c5f268f1c"
 "checksum serde_urlencoded 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "aaed41d9fb1e2f587201b863356590c90c1157495d811430a0c0325fe8169650"
+"checksum serde_yaml 0.8.7 (registry+https://github.com/rust-lang/crates.io-index)" = "a2054770c85c7f026ad772e31ff631e65e378154ee20e85d0ada8c6ed053e63a"
 "checksum sha1 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2579985fda508104f7587689507983eadd6a6e84dd35d6d115361f530916fa0d"
 "checksum siphasher 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "0b8de496cf83d4ed58b6be86c3a275b8602f6ffe98d3024a869e124147a9a3ac"
 "checksum slab 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5f9776d6b986f77b35c6cf846c11ad986ff128fe0b2b63a3628e3755e8d3102d"
diff --git a/Cargo.toml b/Cargo.toml
index c7953a8..9e33b15 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,14 +10,14 @@ codegen-units = 1
 incremental = false
 
 [dependencies]
-bytes = "0.4.11"
-clap = "2.32.0"
-log = "0.4.6"
-env_logger = "0.6.0"
-num_cpus = "1.8.0"
-yaml-rust = "0.4.2"
-serde = "1.0.80"
-serde_derive = "1.0.80"
-futures = "0.1.25"
-actix-web = "0.7.14"
+bytes = "0.4"
+clap = "2.32"
+log = "0.4"
+env_logger = "0.6"
+num_cpus = "1.8"
+serde = "1.0"
+serde_derive = "1.0"
+serde_yaml = "0.8"
+futures = "0.1"
+actix-web = "0.7"
 cloudflare = { git = "ssh://git@gitlab.sothr.com:9141/github/cloudflare-rs.git", branch = "develop" }
\ No newline at end of file