diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index be70a7f3177c95a3f3c6233f359e62e4e5cde5f5..9258a048a046957203729e7f086700c74e001b05 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,7 @@
 Unreleased changes
 ------------------
 
+* Added multiHead.root to offline example files.
 
 Version 0
 ---------
diff --git a/km3net_testdata/data/offline/mcv5.0.gsg_elec-CC_10-100GeV.km3sim.JDK.jte.jmergefit.orca.909.evtsample.root b/km3net_testdata/data/offline/mcv5.0.gsg_elec-CC_10-100GeV.km3sim.JDK.jte.jmergefit.orca.909.evtsample.root
new file mode 100644
index 0000000000000000000000000000000000000000..4cddedaf5accd579827820a99ebee5e87a5cc849
Binary files /dev/null and b/km3net_testdata/data/offline/mcv5.0.gsg_elec-CC_10-100GeV.km3sim.JDK.jte.jmergefit.orca.909.evtsample.root differ
diff --git a/km3net_testdata/data/offline/multiHead.root b/km3net_testdata/data/offline/multiHead.root
new file mode 100644
index 0000000000000000000000000000000000000000..9b24c30fb5d3b1ca1150e08e2dc8e1c6b7f81097
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