diff --git a/CHANGELOG b/CHANGELOG
index f1177762..6fac5dbd 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,8 @@
+1.1.0
+-----
+* Update MicroPython version to 1.0
+
+
0.1.0
-----
diff --git a/README.rst b/README.rst
index 83df9e49..ffef5b73 100644
--- a/README.rst
+++ b/README.rst
@@ -56,7 +56,6 @@ Code
* CHANGELOG - a record of how things have changed between versions.
* CONTRIBUTING.rst - a guide for people who want to contribute (you should!).
* editor.html - the page to be loaded by your browser.
-* firmware.hex - copy of the "vanilla" MicroPython firmware used by the editor.
* help.html - a single page user facing help page.
* LICENSE - a copy of the MIT software license that covers this code.
* microbit_blocks - a GIT sub-module containing custom MicroPython blocks.
diff --git a/RELEASE_TODO.rst b/RELEASE_TODO.rst
index 560f2267..6dbc0ca0 100644
--- a/RELEASE_TODO.rst
+++ b/RELEASE_TODO.rst
@@ -1,9 +1,9 @@
Checklist for Releases
======================
-* Update the version number in the editor.html file.
+* Update the editor version number in the editor.html file.
* Update the CHANGES.rst file with English description of changes made.
* If required, update the firmware.hex file to the correct version of the "vanilla" MicroPython runtime used in this release.
+* If required, update the MicroPython version number in the editor.html file.
* Create a tagged release using GitHub.
* Inform those who maintain the versioning manifest. Currently this is @jaustin at the micro:bit foundation.
-
diff --git a/editor.html b/editor.html
index d3cba3e2..d24e85d8 100644
--- a/editor.html
+++ b/editor.html
@@ -70,7 +70,8 @@