diff --git a/Misc/NEWS b/Misc/NEWS
index ecf5744..5d20ca4 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -392,6 +392,10 @@
 Library
 -------
 
+- Issue #4769: Fix main() function of the base64 module, use sys.stdin.buffer
+  and sys.stdout.buffer (instead of sys.stdin and sys.stdout) to use the bytes
+  API
+
 - Issue #8770: now sysconfig displays information when it's called as
   a script. Initial idea by Sridhar Ratnakumar.