Update NEWS
diff --git a/NEWS b/NEWS
index 6d61726..07c4788 100644
--- a/NEWS
+++ b/NEWS
@@ -65,3 +65,4 @@ v1.2.2:
* safety fixes for the LZP pass.
* add the `-k` compatibility flag.
* use `env` to detect the shell in bzip3 utility scripts
+* update libtool to v2.4.7
