diff --git a/CHANGELOG.md b/CHANGELOG.md
index dbfd9a8..8273ee3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,15 @@ All notable changes to the extension will be documented in this file.
 
 For full commit history and versions please see the [repository](https://github.com/repositony/vscode_mcnp).
 
+## Version 1.0.1
+
+- Simplified colour customisation section of readme
+- F5 debugging added
+- Added vertical data input format
+- Fixed missing highlighting of default material library cards
+- Fixed `contrib` arguments and highlighting
+- Added js-yaml as a dev dependency
+
 ## Version 1.0.0
 
 - Initial release
diff --git a/package.json b/package.json
index 378b2c6..68bae3a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "vscodemcnp",
-    "version": "1.0.4",
+    "version": "1.0.1",
     "displayName": "MCNP6.3 syntax highlighting and snippets",
     "publisher": "repositony",
     "author": {