diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3755088..6238910 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 + added `INCLUDE` to `default.config`
 + moved `LINKER_ARGS` to the end of linkage command in `functions.sh` to properly link static libs
 + added function `try_delete_dir_or_file` for `clean` task
++ dead code removal in `build_exec`
 
 # v5
 + added task `clean`