diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8578aab..eb1e693 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+### 1.4.1 (in development)
+- Improve VCF model accuracy and stability.
+
 ### 1.4.0 (2019-11-08)
 - Add Pulses.