diff --git a/CHANGES.txt b/CHANGES.txt
index 178a264..1b1c85e 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,3 +1,6 @@
+unreleased
+- test suite: Switched from Travis-CI to Github Actions
+
 3.1.0 - Mon Jan 16 2023
 ===============================================================
 - remove support for Ruby 2.5 (EOL 2021-04-05)