diff --git a/Changes b/Changes
index 5c80b995..ad1711f3 100644
--- a/Changes
+++ b/Changes
@@ -1,3 +1,15 @@
+Release 3.21.0
+
+ - Add iRODS 4.3.1 Ubuntu 22.04 as a required test target
+ - Handle optional rodsadmin group
+ - Update test matrix iRODS versions
+     Remove the combination of 4.2.11 clients with a 4.2.7 server
+     Add the combination of 4.2.7 clients with a 4.2.7 server
+     Add the combination of 4.3-nightly clients with a 4.3-nightly server
+ - GHA: move irods client deployment and singularity cache to HOME
+   instead of workspace/ repo checkout dir.
+ - Add Perl 5.34 to CI matrix
+
 Release 3.20.0
  - Add iquest wrapper