diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 720b4ff22b90294f17ab075473c78882fb7af1dd..1ebfa2c8a9a05189e9ce1299ffce89a3d0d5e77a 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,3 +1,9 @@
+Changes in Release 1.5
+--------------------------------------------------------------------------------
+
+  * The compoundslib now features InChI and InChIKeys (machine readable InChI
+    hash)
+
 Changes in Release 1.4
 --------------------------------------------------------------------------------