diff --git a/CHANGELOG b/CHANGELOG
index 0048d485917d880f7cddd5332e3eeeb0a55b7d87..bcfe0e157fa1a99532d33e26cf714e9951345177 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -5,6 +5,13 @@
 Changelog
 ================================================================================
 
+Release 3.1.1
+--------------------------------------------------------------------------------
+
+* Bugfix release: reintroduces backwards compatibility in BuildRawModel.
+  See commit 0288eced23a9a541a88005a7ed30b8f019e06226 for details
+
+
 Release 3.1.0
 --------------------------------------------------------------------------------