diff -pruN 1.2.2-1/debian/changelog 1.2.2-1ubuntu1/debian/changelog
--- 1.2.2-1/debian/changelog	2022-09-05 14:39:08.000000000 +0000
+++ 1.2.2-1ubuntu1/debian/changelog	2022-11-08 16:19:14.000000000 +0000
@@ -1,3 +1,11 @@
+php-klogger (1.2.2-1ubuntu1) lunar; urgency=medium
+
+  * Merge with Debian unstable (LP: #1995965). Remaining changes:
+    - d/p/0005-psr-logger-compliance.patch: comply with php-psr-log 3.
+      (LP #1967796)
+
+ -- Athos Ribeiro <athos.ribeiro@canonical.com>  Tue, 08 Nov 2022 13:19:14 -0300
+
 php-klogger (1.2.2-1) unstable; urgency=medium
 
   * New upstream version 1.2.2
@@ -13,6 +21,19 @@ php-klogger (1.2.2-1) unstable; urgency=
 
  -- James Valleroy <jvalleroy@mailbox.org>  Mon, 05 Sep 2022 10:39:08 -0400
 
+php-klogger (1.2.1-4ubuntu1) jammy; urgency=medium
+
+  * d/p/0005-psr-logger-compliance.patch: comply with php-psr-log 3.
+    (LP: #1967796)
+
+ -- Athos Ribeiro <athos.ribeiro@canonical.com>  Mon, 04 Apr 2022 11:39:42 -0300
+
+php-klogger (1.2.1-4build1) jammy; urgency=medium
+
+  * No change rebuild for php-psr-log 3
+
+ -- Bryce Harrington <bryce@canonical.com>  Fri, 25 Feb 2022 06:27:22 +0000
+
 php-klogger (1.2.1-4) unstable; urgency=medium
 
   * d/control: Move to Debian PHP PEAR Maintainers
diff -pruN 1.2.2-1/debian/control 1.2.2-1ubuntu1/debian/control
--- 1.2.2-1/debian/control	2022-09-05 14:39:08.000000000 +0000
+++ 1.2.2-1ubuntu1/debian/control	2022-11-08 16:19:14.000000000 +0000
@@ -1,7 +1,8 @@
 Source: php-klogger
 Section: php
 Priority: optional
-Maintainer: Debian PHP PEAR Maintainers <pkg-php-pear@lists.alioth.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Debian PHP PEAR Maintainers <pkg-php-pear@lists.alioth.debian.org>
 Uploaders:
  James Valleroy <jvalleroy@mailbox.org>,
  Sunil Mohan Adapa <sunil@medhas.org>
diff -pruN 1.2.2-1/debian/patches/0005-psr-logger-compliance.patch 1.2.2-1ubuntu1/debian/patches/0005-psr-logger-compliance.patch
--- 1.2.2-1/debian/patches/0005-psr-logger-compliance.patch	1970-01-01 00:00:00.000000000 +0000
+++ 1.2.2-1ubuntu1/debian/patches/0005-psr-logger-compliance.patch	2022-11-08 16:17:52.000000000 +0000
@@ -0,0 +1,34 @@
+Description: Comply with psr/log 3
+Author: Athos Ribeiro <athos.ribeiro@canonical.com>
+Forwarded: https://github.com/katzgrau/KLogger/pull/104
+Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/php-klogger/+bug/1967796
+Last-Update: 2022-11-08
+
+--- a/src/Logger.php
++++ b/src/Logger.php
+@@ -204,11 +204,11 @@
+      * Logs with an arbitrary level.
+      *
+      * @param mixed $level
+-     * @param string $message
++     * @param Stringable|string $message
+      * @param array $context
+-     * @return null
++     * @return void
+      */
+-    public function log($level, $message, array $context = array())
++    public function log($level, \Stringable|string $message, array $context = array()): void
+     {
+         if ($this->logLevels[$this->logLevelThreshold] < $this->logLevels[$level]) {
+             return;
+--- a/composer.json
++++ b/composer.json
+@@ -5,7 +5,7 @@
+     "keywords": ["logging"],
+     "require": {
+         "php": ">=5.3",
+-        "psr/log": "^1.0.0"
++        "psr/log": "^3.0.0"
+     },
+     "require-dev": {
+         "phpunit/phpunit": "^6.0.0"
diff -pruN 1.2.2-1/debian/patches/series 1.2.2-1ubuntu1/debian/patches/series
--- 1.2.2-1/debian/patches/series	2022-09-05 14:39:08.000000000 +0000
+++ 1.2.2-1ubuntu1/debian/patches/series	2022-11-08 16:05:54.000000000 +0000
@@ -1,2 +1,3 @@
 0001-Load-psr-log-directly.patch
 0004-Support-phpunit-v8.patch
+0005-psr-logger-compliance.patch