diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9cdb238..344d65f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [1.4.0](https://github.com/PathoGenOmics-Lab/VIPERA/compare/v1.3.1...v1.4.0) (2026-01-12)
+
+
+### Features
+
+* add low-confidence site filtering ([f447478](https://github.com/PathoGenOmics-Lab/VIPERA/commit/f447478fe409e01e64c7a9d077a18c8518f460aa))
+* remove demix module from rule core ([#30](https://github.com/PathoGenOmics-Lab/VIPERA/issues/30)) ([cb01079](https://github.com/PathoGenOmics-Lab/VIPERA/commit/cb0107939b82a2d7cc0dc94ca69448f9e6cf5b83))
+
 ## [1.3.1](https://github.com/PathoGenOmics-Lab/VIPERA/compare/v1.3.0...v1.3.1) (2025-11-24)
 
 
diff --git a/version.txt b/version.txt
index 3a3cd8c..88c5fb8 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-1.3.1
+1.4.0