diff --git a/src/cowboy/Cowboy.fs b/src/cowboy/Cowboy.fs
index cd4d65c..e82c9ee 100644
--- a/src/cowboy/Cowboy.fs
+++ b/src/cowboy/Cowboy.fs
@@ -1,5 +1,5 @@
 /// Fable bindings for the Cowboy HTTP server.
-/// See: https://ninenines.eu/docs/en/cowboy/2.12/manual/cowboy/
+/// See: https://ninenines.eu/docs/en/cowboy/2.14/manual/cowboy/
 module Fable.Beam.Cowboy.Cowboy
 
 open Fable.Core
@@ -15,3 +15,11 @@ let startTls (name: obj) (transportOpts: obj) (protoOpts: obj) : obj = nativeOnl
 /// Stop a running listener.
 [<Emit("cowboy:stop_listener($0)")>]
 let stopListener (name: obj) : obj = nativeOnly
+
+/// Retrieve a listener's environment value.
+[<Emit("cowboy:get_env($0, $1)")>]
+let getEnv (name: obj) (key: obj) : obj = nativeOnly
+
+/// Update a listener's environment value.
+[<Emit("cowboy:set_env($0, $1, $2)")>]
+let setEnv (name: obj) (key: obj) (value: obj) : obj = nativeOnly
diff --git a/src/cowboy/CowboyRouter.fs b/src/cowboy/CowboyRouter.fs
index 8625922..a6c697b 100644
--- a/src/cowboy/CowboyRouter.fs
+++ b/src/cowboy/CowboyRouter.fs
@@ -1,5 +1,5 @@
 /// Fable bindings for Cowboy's cowboy_router module.
-/// See: https://ninenines.eu/docs/en/cowboy/2.12/manual/cowboy_router/
+/// See: https://ninenines.eu/docs/en/cowboy/2.14/manual/cowboy_router/
 module Fable.Beam.Cowboy.CowboyRouter
 
 open Fable.Core
@@ -7,3 +7,11 @@ open Fable.Core
 /// Compile routing rules into a dispatch list.
 [<Emit("cowboy_router:compile($0)")>]
 let compile (routes: obj) : obj = nativeOnly
+
+/// Route: {Path, Handler, InitialState}.
+[<Emit("{$0, $1, $2}")>]
+let route (path: string) (handler: obj) (state: obj) : obj = nativeOnly
+
+/// Host rule: {HostMatch, Routes}.
+[<Emit("{$0, $1}")>]
+let hostRule (host: obj) (routes: obj list) : obj = nativeOnly