diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 8fbea54437df625775f81b3563dff10d81638c68..e5877ba8a559ccdf8c248d0cdf823b8202b6fd2f 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,8 @@
 Unreleased changes
 ------------------
 
+* DST sample added
+
 
 Version 0
 ---------
diff --git a/km3net_testdata/data/dst/orca4_sample.root b/km3net_testdata/data/dst/orca4_sample.root
new file mode 100644
index 0000000000000000000000000000000000000000..2f36346fdcc07b95383f4dba2f4323c038514d55
Binary files /dev/null and b/km3net_testdata/data/dst/orca4_sample.root differ