--- a/testing/geckodriver/CHANGES.md
+++ b/testing/geckodriver/CHANGES.md
@@ -11,23 +11,24 @@ All notable changes to this program is d
 
 [`FullscreenWindow`]: https://docs.rs/webdriver/0.29.0/webdriver/command/enum.WebDriverCommand.html#variant.FullscreenWindow
 [`GetWindowRect`]: https://docs.rs/webdriver/0.29.0/webdriver/command/enum.WebDriverCommand.html#variant.GetWindowRect
 [`MaximizeWindow`]: https://docs.rs/webdriver/0.29.0/webdriver/command/enum.WebDriverCommand.html#variant.MaximizeWindow
 [`MinimizeWindow`]: https://docs.rs/webdriver/0.29.0/webdriver/command/enum.WebDriverCommand.html#variant.MinimizeWindow
 [`SetWindowRect`]: https://docs.rs/webdriver/0.29.0/webdriver/command/enum.WebDriverCommand.html#variant.SetWindowRect
 
 ### Changed
+- Early abort connection attempts to Marionette if the Firefox process closed unexpectetly.
 - Removed deprecated `socksProxyVersion` in favor of `socksVersion`.
 - Removed `ftpProxyPort`, `httpProxyPort`, `sslProxyPort`, and `socksProxyPort` because _ports_ have to be set for `ftpProxy`, `httpProxy`, `sslProxy`, and `socksProxy` using ":<PORT>".
 - To make sure no browser process is left behind when the [`New Session` command](https://docs.rs/webdriver/0.27.0/webdriver/command/enum.WebDriverCommand.html#variant.NewSession) fails, the process is closed immediately now.
 - The `proxyType` `noproxy` has been replaced with `direct` in accordance with recent WebDriver specification changes
 - `/moz/addon/install` command accepts an `addon` parameter, in lieu of `path`, containing an addon as a Base64 string
 - [webdriver crate](https://crates.io/crates/webdriver) upgraded to version 0.30.0
-- [mozrunner crate](https://crates.io/crates/mozrunner) upgraded to version 0.4.2
+- [mozrunner crate](https://crates.io/crates/mozrunner) upgraded to version 0.5.0
 
 ## 0.18.0 (2017-07-10)
 
 ### Changed
 - [`RectResponse`](https://docs.rs/webdriver/0.27.0/webdriver/response/struct.RectResponse.html) permits returning floats for `width` and `height` fields
 - New type [`CookieResponse`](https://docs.rs/webdriver/0.27.0/webdriver/response/struct.CookieResponse.html) for the [`GetNamedCookie` command](https://docs.rs/webdriver/0.27.0/webdriver/command/enum.WebDriverCommand.html#variant.GetNamedCookie) returns a single cookie, as opposed to an array of a single cookie
 - To pick up a prepared profile from the filesystem, it is now possible to pass `["-profile", "/path/to/profile"]` in the `args` array on `moz:firefoxOptions`
 - geckodriver now recommends Firefox 53 and greater