diff --git a/docs/changes.xml b/docs/changes.xml
index 81fb1370..14e65672 100644
--- a/docs/changes.xml
+++ b/docs/changes.xml
@@ -5,6 +5,48 @@
 <change_log title="unit">
 
 
+<changes apply="unit-php
+                unit-python unit-python2.7
+                unit-python3.4 unit-python3.5 unit-python3.6 unit-python3.7
+                unit-python3.8 unit-python3.9 unit-python3.10 unit-python3.11
+                unit-go
+                unit-perl
+                unit-ruby
+                unit-jsc-common unit-jsc8 unit-jsc10 unit-jsc11 unit-jsc13
+                unit-jsc14 unit-jsc15 unit-jsc16 unit-jsc17 unit-jsc18
+                unit-jsc19 unit-jsc20"
+         ver="1.31.0" rev="1"
+         date="" time=""
+         packager="Nginx Packaging &lt;nginx-packaging@f5.com&gt;">
+
+<change>
+<para>
+NGINX Unit updated to 1.31.0.
+</para>
+</change>
+
+</changes>
+
+
+<changes apply="unit" ver="1.31.0" rev="1"
+         date="" time=""
+         packager="Nginx Packaging &lt;nginx-packaging@f5.com&gt;">
+
+<change type="bugfix">
+<para>
+deprecated options were unavailable.
+</para>
+</change>
+
+<change type="bugfix">
+<para>
+ASGI applications inaccessible over IPv6.
+</para>
+</change>
+
+</changes>
+
+
 <changes apply="unit-php
                 unit-python unit-python2.7
                 unit-python3.4 unit-python3.5 unit-python3.6 unit-python3.7
diff --git a/version b/version
index 63edb5c3..c08b9fd5 100644
--- a/version
+++ b/version
@@ -1,5 +1,5 @@
 
 # Copyright (C) NGINX, Inc.
 
-NXT_VERSION=1.30.0
-NXT_VERNUM=13000
+NXT_VERSION=1.31.0
+NXT_VERNUM=13100