diff --git a/hivex.spec b/hivex.spec
index 3297db6..933c988 100644
--- a/hivex.spec
+++ b/hivex.spec
@@ -1,3 +1,4 @@
+%undefine _package_note_flags
 # Conditionalize Ocaml support.  This looks ass-backwards, but it's not.
 %ifarch %{ocaml_native_compiler}
 %bcond_without ocaml
@@ -10,7 +11,7 @@
 
 Name:           hivex
 Version:        1.3.21
-Release:        5%{?dist}
+Release:        6%{?dist}
 Summary:        Read and write Windows Registry binary hive files
 
 License:        LGPLv2
@@ -323,6 +324,9 @@ fi
 
 
 %changelog
+* Fri Feb 04 2022 Richard W.M. Jones <rjones@redhat.com> - 1.3.21-6
+- OCaml 4.13.1 rebuild to remove package notes
+
 * Wed Jan 26 2022 Vít Ondruch <vondruch@redhat.com> - 1.3.21-5
 - Rebuilt for https://fedoraproject.org/wiki/Changes/Ruby_3.1