diff --git a/REPO b/REPO
index d11078d..98af2fd 100644
--- a/REPO
+++ b/REPO
@@ -226,7 +226,7 @@ f:9e1e4484705f1a1d942714474c7691cd:nyxt/Pkgfile
 f:64b48506b3ef1a7c58337f0b87713209:nyxt/vi-keybindings.patch
 f:627ed74e27650ad8b5f860f26a174def:nyxt/post-install
 f:14939f96e46c944517e852715fab84a3:nyxt/.footprint
-f:b165fad3f65181fe1ee17f983a6b9801:prboom-plus/.signature
+f:56f09afc33e0bafb7e3cf36223347610:prboom-plus/.signature
 f:69e19dc9066e9fd20154f61203b513bf:prboom-plus/Pkgfile
 f:9fcabeb1ea44a9ccf5cdb840775c01e1:prboom-plus/.footprint
 f:3c10eee98993eacd4b9dbfb71ead933d:python3-openpyxl/.signature
diff --git a/prboom-plus/.signature b/prboom-plus/.signature
index 0581175..e603fc2 100644
--- a/prboom-plus/.signature
+++ b/prboom-plus/.signature
@@ -1,5 +1,5 @@
-untrusted comment: verify with /etc/ports/jmq.pub
-RWTTPlFarK9CxBQ4r73QWRXPFin6or3S10U0+mQrNKg2wKNoFAqtxwvvgoMWT4qhsbTa4V1dp9ahc7X9t8A5yJrmUw4KR+DZxQM=
-SHA256 (Pkgfile) = eb8387861b9fae0a0bf92effc0c35f283c3723f77716ab3c508cc3d1d04783b1
+untrusted comment: verify with /etc/ports/contrib.pub
+RWSagIOpLGJF3yAf1xLRzLDCDxzdOu41DlkHouRzVYnlz//mN5q2f3/BrVXOnKAQ3Fm6KqSj0ix2u/fvoZDyK8S98anFVZGZcgI=
+SHA256 (Pkgfile) = 208f720deec68264cdd0675f528f6564c1811f2a1d24aac148ea9eb7af1be1ef
 SHA256 (.footprint) = ba1fb72dd07ce16bde3f1823950e6eb1b2310af5dedb0ff526caf47dccbb2ad6
 SHA256 (prboom-plus-2.6.2.tar.gz) = 5cfeec96fbfe4fc3bd5dbc2b8d581ff5f6617dd74b2799680ba5b1e2e38c4aff
diff --git a/prboom-plus/.watch b/prboom-plus/.watch
new file mode 100644
index 0000000..ae56efb
--- /dev/null
+++ b/prboom-plus/.watch
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+curl -s "https://github.com/coelckers/prboom-plus/releases" \
+	| awk '/h2 class=.sr-only/ {$0=gensub(/.*>PrBoom-Plus (.+)<.*/,"\\1",1); print;}' \
+	| head -n 1
diff --git a/prboom-plus/Pkgfile b/prboom-plus/Pkgfile
index a41dd85..3709e88 100644
--- a/prboom-plus/Pkgfile
+++ b/prboom-plus/Pkgfile
@@ -1,5 +1,5 @@
 # Description: classic first-person shooter with demons and ghouls
-# URL: http://prboom-plus.sourceforge.net/
+# URL: https://github.com/coelckers/prboom-plus/
 # Maintainer: John McQuah, jmcquah at disroot dot org
 # Depends on: libmad sdl2_image sdl2_mixer sdl2_net
 # Nice to have: fluidsynth portmidi timidity++