I am uploading a NMU to DELAYED/10 in order to fix this.
The debdiff is attached.
diff -Nru memlockd-1.3/changes.txt memlockd-1.3/changes.txt
--- memlockd-1.3/changes.txt 2023-09-29 15:11:12.000000000 +0200
+++ memlockd-1.3/changes.txt 2023-09-29 14:24:22.000000000 +0200
@@ -1,3 +1,10 @@
+memlockd (1.3-2.2) unstable; urgency=medium
+
+ * Non-maintainer upload
+ * Convert to source format 3.0, closes: #1043214
+
+ -- Bastian Germann <b...@debian.org> Fri, 29 Sep 2023 12:24:22 +0000
+
memlockd (1.3-2.1) unstable; urgency=medium
* Non-maintainer upload.
diff -Nru memlockd-1.3/debian/changelog memlockd-1.3/debian/changelog
--- memlockd-1.3/debian/changelog 2023-09-29 15:11:12.000000000 +0200
+++ memlockd-1.3/debian/changelog 2023-09-29 14:24:22.000000000 +0200
@@ -1,3 +1,10 @@
+memlockd (1.3-2.2) unstable; urgency=medium
+
+ * Non-maintainer upload
+ * Convert to source format 3.0, closes: #1043214
+
+ -- Bastian Germann <b...@debian.org> Fri, 29 Sep 2023 12:24:22 +0000
+
memlockd (1.3-2.1) unstable; urgency=medium
* Non-maintainer upload.
diff -Nru memlockd-1.3/debian/source/format memlockd-1.3/debian/source/format
--- memlockd-1.3/debian/source/format 2023-09-29 15:11:12.000000000 +0200
+++ memlockd-1.3/debian/source/format 2023-09-29 14:24:19.000000000 +0200
@@ -1 +1 @@
-1.0
+3.0 (quilt)
