diff -Nru pajeng-1.3.6/debian/changelog pajeng-1.3.6/debian/changelog
--- pajeng-1.3.6/debian/changelog	2020-04-29 09:44:34.000000000 +0000
+++ pajeng-1.3.6/debian/changelog	2021-08-23 19:30:28.000000000 +0000
@@ -1,3 +1,16 @@
+pajeng (1.3.6-3) unstable; urgency=low
+
+  [ Debian Janitor ]
+  * Set upstream metadata fields: Bug-Database, Bug-Submit, Repository,
+    Repository-Browse.
+
+  [ Martin Quinson ]
+  * d/control: Bump to debhelper v13.
+  * d/watch: update to version 4 of uscan.
+  * d/control: Bump standard-version to 4.6.0 (no change needed)
+
+ -- Martin Quinson <mquinson@debian.org>  Mon, 23 Aug 2021 21:30:28 +0200
+
 pajeng (1.3.6-2) unstable; urgency=medium
 
   - d/control: update Standards-Version: 4.5.0 (no further change needed)
diff -Nru pajeng-1.3.6/debian/control pajeng-1.3.6/debian/control
--- pajeng-1.3.6/debian/control	2020-04-29 09:44:34.000000000 +0000
+++ pajeng-1.3.6/debian/control	2021-08-23 19:30:28.000000000 +0000
@@ -3,7 +3,7 @@
 Maintainer: Martin Quinson <mquinson@debian.org>
 Uploaders: Lucas Nussbaum <lucas@debian.org>
 Build-Depends:
- debhelper-compat (= 12),
+ debhelper-compat (= 13),
  asciidoc-base,
  bison,
  chrpath,
@@ -15,7 +15,7 @@
  libfl-dev,
  libxml2-utils,
  xsltproc
-Standards-Version: 4.5.0
+Standards-Version: 4.6.0
 Section: libs
 Homepage: https://github.com/schnorr/pajeng
 Vcs-Git: https://salsa.debian.org/debian/pajeng.git
diff -Nru pajeng-1.3.6/debian/upstream/metadata pajeng-1.3.6/debian/upstream/metadata
--- pajeng-1.3.6/debian/upstream/metadata	1970-01-01 00:00:00.000000000 +0000
+++ pajeng-1.3.6/debian/upstream/metadata	2021-08-23 19:30:28.000000000 +0000
@@ -0,0 +1,5 @@
+---
+Bug-Database: https://github.com/schnorr/pajeng/issues
+Bug-Submit: https://github.com/schnorr/pajeng/issues/new
+Repository: https://github.com/schnorr/pajeng.git
+Repository-Browse: https://github.com/schnorr/pajeng
diff -Nru pajeng-1.3.6/debian/watch pajeng-1.3.6/debian/watch
--- pajeng-1.3.6/debian/watch	2020-04-29 09:44:34.000000000 +0000
+++ pajeng-1.3.6/debian/watch	2021-08-23 19:30:28.000000000 +0000
@@ -1,3 +1,3 @@
-version=3
-opts=dversionmangle=s/\+(repack|dfsg|ds|deb)\d*$// \
-https://github.com/schnorr/pajeng/tags .*/.*/v?(\d.*)\.(?:tgz|tbz2|tar\.(?:gz|bz2|xz))
+version=4
+opts=filenamemangle=s/.+\/v?(\d\S+)\.tar\.gz/pajeng-$1\.tar\.gz/ \
+  https://github.com/schnorr/pajeng/tags .*/v?(\d\S+)\.tar\.gz