diff --git a/doc/CHANGES-2021 b/doc/CHANGES-2021
index 609d9bc49628..56e7ca34589a 100644
--- a/doc/CHANGES-2021
+++ b/doc/CHANGES-2021
@@ -1,4 +1,4 @@
-$NetBSD: CHANGES-2021,v 1.4775 2021/09/18 13:19:35 wiz Exp $
+$NetBSD: CHANGES-2021,v 1.4776 2021/09/18 13:41:07 mef Exp $
 
 Changes to the packages collection and infrastructure in 2021:
 
@@ -7418,3 +7418,4 @@ Changes to the packages collection and infrastructure in 2021:
 	Updated math/R-stringdist to 0.9.8 [mef 2021-09-18]
 	Updated math/R-tensorA to 0.36.2 [mef 2021-09-18]
 	Updated devel/glib2 to 2.68.4nb1 [wiz 2021-09-18]
+	Updated print/R-knitr to 1.34 [mef 2021-09-18]