diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index b6236cf65c784ff2082df2f605a94d8b96c5f0d0..ec80e3d63f8e5a542c4efe4ac03cfc172ce1047b 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,5 +1,6 @@
 Unreleased changes
 ------------------
+* ``km3net-dataformat`` updated to 2.0.0
 * mother ID and status are now read out for MC tracks
 
 Version 0