diff --git a/Cargo.lock b/Cargo.lock
index e6601e1..7186fc9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -211,15 +211,15 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.114"
+version = "1.0.115"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde_derive 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.115 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.114"
+version = "1.0.115"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.19 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -275,7 +275,7 @@ dependencies = [
  "libc 0.2.74 (registry+https://github.com/rust-lang/crates.io-index)",
  "once_cell 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.115 (registry+https://github.com/rust-lang/crates.io-index)",
  "termios 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-width 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -286,7 +286,7 @@ name = "toml"
 version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.115 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -357,8 +357,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum regex 1.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "9c3780fcf44b193bc4d09f36d2a3c87b251da4a046c87795a0d35f4f927ad8e6"
 "checksum regex-syntax 0.6.18 (registry+https://github.com/rust-lang/crates.io-index)" = "26412eb97c6b088a6997e05f69403a802a92d520de2f8e63c2b65f9e0f47c4e8"
 "checksum rust-argon2 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2bc8af4bda8e1ff4932523b94d3dd20ee30a87232323eda55903ffd71d2fb017"
-"checksum serde 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)" = "5317f7588f0a5078ee60ef675ef96735a1442132dc645eb1d12c018620ed8cd3"
-"checksum serde_derive 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)" = "2a0be94b04690fbaed37cddffc5c134bf537c8e3329d53e982fe04c374978f8e"
+"checksum serde 1.0.115 (registry+https://github.com/rust-lang/crates.io-index)" = "e54c9a88f2da7238af84b5101443f0c0d0a3bbdc455e34a5c9497b1903ed55d5"
+"checksum serde_derive 1.0.115 (registry+https://github.com/rust-lang/crates.io-index)" = "609feed1d0a73cc36a0182a840a9b37b4a82f0b1150369f0536a9e3f2a31dc48"
 "checksum strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
 "checksum syn 1.0.36 (registry+https://github.com/rust-lang/crates.io-index)" = "4cdb98bcb1f9d81d07b536179c269ea15999b5d14ea958196413869445bb5250"
 "checksum termios 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6f0fcee7b24a25675de40d5bb4de6e41b0df07bc9856295e7e2b3a3600c400c2"