diff --git a/Cargo.lock b/Cargo.lock
index 7d07d422..4e4e941a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -305,7 +305,7 @@ dependencies = [
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "shiplift 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "signal-hook 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -339,7 +339,7 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -928,15 +928,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde"
-version = "1.0.103"
+version = "1.0.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde_derive 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.103"
+version = "1.0.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -951,7 +951,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "ryu 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1055,8 +1055,8 @@ dependencies = [
  "chrono 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "libflate 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog-async 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog-kvfilter 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1197,7 +1197,7 @@ name = "toml"
 version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1502,8 +1502,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum ryu 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c92464b447c0ee8c4fb3824ecc8383b81717b9f1e74ba2e72540aef7b9f82997"
 "checksum safemem 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "d2b08423011dae9a5ca23f07cf57dac3857f5c885d352b76f6d95f4aea9434d0"
 "checksum semver 0.1.20 (registry+https://github.com/rust-lang/crates.io-index)" = "d4f410fedcf71af0345d7607d246e7ad15faaadd49d240ee3b24e5dc21a820ac"
-"checksum serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)" = "1217f97ab8e8904b57dd22eb61cde455fa7446a9c1cf43966066da047c1f3702"
-"checksum serde_derive 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)" = "a8c6faef9a2e64b0064f48570289b4bf8823b7581f1d6157c1b52152306651d0"
+"checksum serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)" = "414115f25f818d7dfccec8ee535d76949ae78584fc4f79a6f45a904bf8ab4449"
+"checksum serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)" = "128f9e303a5a29922045a830221b8f78ec74a5f544944f3d5984f8ec3895ef64"
 "checksum serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)" = "051c49229f282f7c6f3813f8286cc1e3323e8051823fce42c7ea80fe13521704"
 "checksum shiplift 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "d7045d08bebeb4a31c65c2623ba36fc461a2503e5744c8c56bb0560916b2205d"
 "checksum signal-hook 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)" = "7a9c17dd3ba2d36023a5c9472ecddeda07e27fd0b05436e8c1e0c8f178185652"