diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index bc9e71819dda377147edc738764c84edb080b9ff..5f9bc2b36e8823186f9f2df44f2a706239cfbc37 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -15,6 +15,7 @@ Changes in Release 2.6.0
  * New FindCompounds method of CompoundLib to query compounds by SMILES
    string, InChI code, InChI key or formula.
  * The compound library now reads the "InChI=" part of InChI codes.
+ * Implemented ICS/IPS scores to assess oligomeric complexes.
  * Several bug fixes and improvements.
 
 Changes in Release 2.5.0