diff --git a/CHANGELOG.md b/CHANGELOG.md
index 104269761..ce5af6ab1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ The following sections list the changes for unreleased.
 
 ## Summary
 
+* Change - Change the default TUS chunk size: [#7273](https://github.com/owncloud/ocis/pull/7273)
 * Enhancement - Support spec violating AD FS access token issuer: [#7138](https://github.com/owncloud/ocis/pull/7138)
 * Enhancement - Add the password policies: [#7194](https://github.com/owncloud/ocis/pull/7194)
 * Enhancement - Auto-Accept Shares: [#7097](https://github.com/owncloud/ocis/pull/7097)
@@ -19,6 +20,13 @@ The following sections list the changes for unreleased.
 
 ## Details
 
+* Change - Change the default TUS chunk size: [#7273](https://github.com/owncloud/ocis/pull/7273)
+
+   We changed the default TUS chunk size from 100MB to 10MB. You can still use the old value by
+   configuring it in your deployment.
+
+   https://github.com/owncloud/ocis/pull/7273
+
 * Enhancement - Support spec violating AD FS access token issuer: [#7138](https://github.com/owncloud/ocis/pull/7138)
 
    AD FS `/adfs/.well-known/openid-configuration` has an optional `access_token_issuer`