1 files changed, 2 insertions, 0 deletions
diff --git a/NEWS b/NEWS
index 07276e66..fc4db95e 100644
--- a/NEWS
+++ b/NEWS
@@ -18,6 +18,8 @@ Changes from 4.2.1 to 4.2.2
    me to stop carrying forward decades of changes against the original
    ones from GLIBC.
 
+4. Infrastructure upgrades: Bison 3.1.
+
 Changes from 4.2.0 to 4.2.1
 ---------------------------