diff -pruN 4.5-1/debian/changelog 4.5-2/debian/changelog
--- 4.5-1/debian/changelog	2022-04-19 09:05:51.000000000 +0000
+++ 4.5-2/debian/changelog	2022-08-05 18:24:37.000000000 +0000
@@ -1,3 +1,10 @@
+sonic-visualiser (4.5-2) unstable; urgency=medium
+
+  * Add patch to prevent underlinking with libserd-0 (Closes: #1016233)
+  * Update lintian-overrides
+
+ -- IOhannes m zmölnig (Debian/GNU) <umlaeute@debian.org>  Fri, 05 Aug 2022 20:24:37 +0200
+
 sonic-visualiser (4.5-1) unstable; urgency=medium
 
   * New upstream version 4.5
diff -pruN 4.5-1/debian/patches/01-libserd.patch 4.5-2/debian/patches/01-libserd.patch
--- 4.5-1/debian/patches/01-libserd.patch	1970-01-01 00:00:00.000000000 +0000
+++ 4.5-2/debian/patches/01-libserd.patch	2022-08-05 18:24:37.000000000 +0000
@@ -0,0 +1,19 @@
+Description: Fix FTBFS due to underlinking with libserd
+ linking piper-vamp-simple-server failed with a cryptic error, the reason
+ being that it did not explicitely link against libserd-0
+Author: IOhannes m zmölnig
+Forwarded: not-needed
+Applied-Upstream: 865fbe253cde8e966709bb11dc8c441ceb3891ed
+Last-Update: 2022-08-05
+---
+This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
+--- sonic-visualiser.orig/meson.build
++++ sonic-visualiser/meson.build
+@@ -1268,6 +1268,7 @@
+   dependencies: [
+     capnp_gen_header_dep,
+     server_dependencies,
++    serd_dep,
+   ],
+   link_args: [
+     feature_additional_libs,
diff -pruN 4.5-1/debian/patches/series 4.5-2/debian/patches/series
--- 4.5-1/debian/patches/series	2022-04-19 09:05:51.000000000 +0000
+++ 4.5-2/debian/patches/series	2022-08-05 18:24:37.000000000 +0000
@@ -1,3 +1,4 @@
+01-libserd.patch
 02-disable-internal-dataquay.patch
 03-tests-on-archs.patch
 05-nocheck.patch
diff -pruN 4.5-1/debian/source/lintian-overrides 4.5-2/debian/source/lintian-overrides
--- 4.5-1/debian/source/lintian-overrides	1970-01-01 00:00:00.000000000 +0000
+++ 4.5-2/debian/source/lintian-overrides	2022-08-05 18:24:37.000000000 +0000
@@ -0,0 +1,5 @@
+# this HTML documentation is generated from the 'vamp.pl' prolog script
+# found in the same directory.
+# it seems to use swi-prolog, and depends on some modules found at
+# https://github.com/motools/musicontology (not packaged in Debian)
+source-is-missing [vamp-plugin-sdk/rdf/doc/vamp.html]