diff --git a/resources/texts/change_log.txt b/resources/texts/change_log.txt
index 8030327dd2..2718c4bdf0 100644
--- a/resources/texts/change_log.txt
+++ b/resources/texts/change_log.txt
@@ -1,3 +1,9 @@
+[5.1.1]
+* New features:
+- Added support for the Ultimaker S3 and Ultimaker S5 updated mainbord
+
+<i>MacOS 10.15 is no longer supported. Technically this means Ultimaker will stop testing and developing for such operating systems. However, even though it is no longer supported, there is still a high likelihood the application keeps functioning.</i>
+
 [5.1]
 <i>For an overview of the new features in Cura 5.1, please watch <a href="https://youtu.be/7jetjsHLIvk">our video</a>.</i>
 
@@ -370,4 +376,4 @@ When searching in the settings visibility menu you will also search in the descr
 
 [4.10]
 
-The release notes of versions &lt;= 4.10 can be found in our <a href="https://github.com/Ultimaker/Cura/releases?page=2">releases GitHub page</a>.
\ No newline at end of file
+The release notes of versions &lt;= 4.10 can be found in our <a href="https://github.com/Ultimaker/Cura/releases?page=2">releases GitHub page</a>.