diff --git a/CHANGES.md b/CHANGES.md
index f76bb16a..96aaf299 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -4,6 +4,19 @@ layout: default
 section: main
 ---
 
+### v3.10.1 2022-08-02
+
+- Add sponsorship files.
+    + If you appreciate the time spent maintaining JSZip then I would really appreciate [your sponsorship](https://github.com/sponsors/Stuk).
+- Consolidate metadata types and expose OnUpdateCallback [#851](https://github.com/Stuk/jszip/pull/851) and [#852](https://github.com/Stuk/jszip/pull/852)
+- use `const` instead `var` in example from README.markdown [#828](https://github.com/Stuk/jszip/pull/828)
+- Switch manual download link to HTTPS [#839](https://github.com/Stuk/jszip/pull/839)
+
+Internals:
+
+- Replace jshint with eslint [#842](https://github.com/Stuk/jszip/pull/842)
+- Add performance tests [#834](https://github.com/Stuk/jszip/pull/834)
+
 ### v3.10.0 2022-05-20
 
 - Change setimmediate dependency to more efficient one. Fixes https://github.com/Stuk/jszip/issues/617 (see [#829](https://github.com/Stuk/jszip/pull/829))
@@ -189,4 +202,3 @@ This release changes a lot of methods, please see [the upgrade guide](http://stu
 # v1.0.0, 2013-02-14
 
 - First release after a long period without version.
-
diff --git a/documentation/contributing.md b/documentation/contributing.md
index 8b129997..05150497 100644
--- a/documentation/contributing.md
+++ b/documentation/contributing.md
@@ -67,7 +67,7 @@ If you have tested bug fixes or new features, you can open a
 2. Run `npm test`
     * Locally open http://localhost:8080/test/
     * Or use the SauceLabs configuration above
-3. Update `JSZip.version` in `index.js` and in `package.json`
+3. Update `JSZip.version` in `index.js`, `index.html` and in `package.json`
 4. Run `grunt` to generate the new dist files
     * undo the package.json change, it was just needed to replace the `__VERSION__` in the header
 5. Undo step 1.