diff --git a/gromox-2.12.tar.asc b/gromox-2.12.tar.asc
deleted file mode 100644
index 0baf138..0000000
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@@ -1,7 +0,0 @@
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diff --git a/gromox-2.12.tar.zst b/gromox-2.12.tar.zst
deleted file mode 100644
index b122e46..0000000
--- a/gromox-2.12.tar.zst
+++ /dev/null
@@ -1,3 +0,0 @@
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-oid sha256:a7282a7d462151e664fd22bdc4e28602a5a1e7b9f584a83e04cccb8bea928e7f
-size 2038993
diff --git a/gromox-2.13.tar.asc b/gromox-2.13.tar.asc
new file mode 100644
index 0000000..a667546
--- /dev/null
+++ b/gromox-2.13.tar.asc
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diff --git a/gromox-2.13.tar.zst b/gromox-2.13.tar.zst
new file mode 100644
index 0000000..f65a72e
--- /dev/null
+++ b/gromox-2.13.tar.zst
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diff --git a/gromox.changes b/gromox.changes
index c4df485..1e9a3e9 100644
--- a/gromox.changes
+++ b/gromox.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Sat Sep 23 20:54:29 UTC 2023 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 2.13
+  * emsmdb: eliminiate duplicate message appearing when copying
+    to a private non-default / shared store
+  * EWS: support the {Create,Delete,Move,Copy,Update,Empty}Folder
+    operation(s)
+  * EWS: support the {Copy,Move}Item operation(s)
+
 -------------------------------------------------------------------
 Mon Sep  4 16:42:50 UTC 2023 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/gromox.dsc b/gromox.dsc
index fe99011..e3ee12d 100644
--- a/gromox.dsc
+++ b/gromox.dsc
@@ -1,7 +1,7 @@
 Format: 1.0
 Source: gromox
 Architecture: any
-Version: 2.12
+Version: 2.13
 DEBTRANSFORM-RELEASE: 1
 Maintainer: Gromox <null@gromox.com>
 Homepage: https://gromox.com
diff --git a/gromox.spec b/gromox.spec
index 6f434e5..3edc2ce 100644
--- a/gromox.spec
+++ b/gromox.spec
@@ -19,7 +19,7 @@
 %define _libexecdir %_prefix/libexec
 
 Name:           gromox
-Version:        2.12
+Version:        2.13
 Release:        0
 Summary:        Groupware server backend with RPC, IMAP,POP3, PHP-MAPI support
 License:        AGPL-3.0-or-later AND GPL-2.0-only AND GPL-3.0-or-later