diff -Nru pappl-1.3.1/debian/changelog pappl-1.3.1/debian/changelog
--- pappl-1.3.1/debian/changelog	2023-02-04 11:44:24.000000000 +0000
+++ pappl-1.3.1/debian/changelog	2023-02-25 10:44:24.000000000 +0000
@@ -1,3 +1,12 @@
+pappl (1.3.1-2) unstable; urgency=medium
+
+  * debian/control: add dependency on libavahi-client-dev
+                    (new version on pkg-config also validates whole
+                     dependency tree)
+    (Closes: #1023926)
+
+ -- Thorsten Alteholz <debian@alteholz.de>  Sat, 25 Feb 2023 11:44:24 +0100
+
 pappl (1.3.1-1) unstable; urgency=medium
 
   * Update to new upstream version 1.3.1.
diff -Nru pappl-1.3.1/debian/control pappl-1.3.1/debian/control
--- pappl-1.3.1/debian/control	2023-02-04 11:33:49.000000000 +0000
+++ pappl-1.3.1/debian/control	2023-02-25 10:44:24.000000000 +0000
@@ -13,7 +13,7 @@
  libpam0g-dev,
  libpng-dev,
  libusb-1.0-0-dev,
- zlib1g-dev,
+ zlib1g-dev
 Standards-Version: 4.6.0
 Vcs-Browser: https://salsa.debian.org/printing-team/pappl
 Vcs-Git: https://salsa.debian.org/printing-team/pappl.git
@@ -47,6 +47,7 @@
  libpng-dev,
  libusb-1.0-0-dev,
  zlib1g-dev,
+ libavahi-client-dev,
  ${misc:Depends},
 Description: C-based framework/library for developing CUPS Printer Applications - Headers
  PAPPL is a simple C-based framework/library for developing CUPS Printer