diff --git a/Cargo.lock b/Cargo.lock
index 8bcd5fa..302f5f3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -786,6 +786,7 @@ dependencies = [
  "serde 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.20 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_plain 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_urlencoded 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "slug 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "titlecase 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -843,6 +844,14 @@ dependencies = [
  "serde 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "serde_plain"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "serde 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "serde_urlencoded"
 version = "0.5.2"
@@ -1415,6 +1424,7 @@ dependencies = [
 "checksum serde 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)" = "e9a2d9a9ac5120e0f768801ca2b58ad6eec929dc9d1d616c162f208869c2ce95"
 "checksum serde_derive 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)" = "0a90213fa7e0f5eac3f7afe2d5ff6b088af515052cc7303bd68c7e3b91a3fb79"
 "checksum serde_json 1.0.20 (registry+https://github.com/rust-lang/crates.io-index)" = "fc97cccc2959f39984524026d760c08ef0dd5f0f5948c8d31797dbfae458c875"
+"checksum serde_plain 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "625fb0da2b006092b426a94acc1611bec52f2ec27bb27b266a9f93c29ee38eda"
 "checksum serde_urlencoded 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e703cef904312097cfceab9ce131ff6bbe09e8c964a0703345a5f49238757bc1"
 "checksum sha2 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7d963c78ce367df26d7ea8b8cc655c651b42e8a1e584e869c1e17dae3ccb116a"
 "checksum slab 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "17b4fcaed89ab08ef143da37bc52adbcc04d4a69014f4c1208d6b51f0c47bc23"
diff --git a/Cargo.toml b/Cargo.toml
index d810dd6..1743ab6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -44,6 +44,7 @@ titlecase = "0.10"
 tokio-io = "0.1"
 tokio-proto = "0.1"
 tokio-service = "0.1"
+serde_plain = "0.3.0"
 
 [dependencies.codegen]
 path = "libs/codegen"