diff --git a/CHANGELOG.md b/CHANGELOG.md
index 505e2cd..937dbe6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 
 ## main branch
 
+* Synced with [PDK][].
+
+[PDK]: https://www.puppet.com/docs/pdk/latest/pdk.html
+
 ## Release 1.2.5
 
 * Updated automatic PR checks to run acceptance tests with both Puppet 7 and