diff --git a/CHANGELOG.md b/CHANGELOG.md
index cdc2dd2..97ed6de 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,4 +26,7 @@
 - Refactored VMAF and Target Quality
 - VMAF is now separate, ready for import module
 - Changed Target Quality probing rate
-- Refactored module structure/names
\ No newline at end of file
+- Refactored module structure/names
+
+### 5
+- Added vmaf validation on each time when VMAF initialized
\ No newline at end of file