diff --git a/changelog.md b/changelog.md
index 35f9680..ac2c229 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,9 @@
 # Change Log
 
+#v0.4.4
+
+- New feature: fusing DataObjects and DataCollections.
+
 #v0.4.2
 
 - New feature: DataObject.