diff --git a/CHANGELOG.md b/CHANGELOG.md
index 283c679..a8f6b05 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## NOT RELEASED
 
+## 1.0.4
+
 ### Changed
 
 - Enable compiler optimization for the `sprintf` function.