diff --git a/packaging/flatpak/README.md b/packaging/flatpak/README.md
index 6d2315e8..f826ff31 100644
--- a/packaging/flatpak/README.md
+++ b/packaging/flatpak/README.md
@@ -8,7 +8,8 @@ unchanged.
 The build uses the official Flatpak Rust and Node SDK extensions. Cargo and
 Yarn resolve the committed lockfiles inside the build sandbox with network
 access. The PostgreSQL 17.10.0 archive, Typst 0.13.1 binary and protoc 21.12
-binary are downloaded by `flatpak-builder` as checksum-pinned sources.
+binary are downloaded by `flatpak-builder` as checksum-pinned sources. A
+compatible libxml2 ABI is included for the embedded PostgreSQL binaries.
 
 ## Build
 
diff --git a/packaging/flatpak/com.kompac.client.yml b/packaging/flatpak/com.kompac.client.yml
index 83e7e231..3f9bf047 100644
--- a/packaging/flatpak/com.kompac.client.yml
+++ b/packaging/flatpak/com.kompac.client.yml
@@ -115,3 +115,28 @@ modules:
     cleanup:
       - /bin/protoc
       - /include
+
+  - name: libxml2-compat
+    buildsystem: autotools
+    config-opts:
+      - --without-icu
+      - --without-lzma
+      - --without-python
+      - --without-readline
+    sources:
+      - type: archive
+        url: https://download.gnome.org/sources/libxml2/2.13/libxml2-2.13.9.tar.xz
+        sha256: a2c9ae7b770da34860050c309f903221c67830c86e4a7e760692b803df95143a
+    post-install:
+      - install -Dm644 Copyright /app/share/licenses/libxml2/Copyright
+    cleanup:
+      - /bin
+      - /include
+      - /lib/cmake
+      - /lib/libxml2.a
+      - /lib/libxml2.la
+      - /lib/libxml2.so
+      - /lib/pkgconfig
+      - /share/aclocal
+      - /share/doc
+      - /share/man
diff --git a/tui-canvas b/tui-canvas
index 622be162..17478405 160000
--- a/tui-canvas
+++ b/tui-canvas
@@ -1 +1 @@
-Subproject commit 622be162ef631cf336d2cbed112bacd49029a345
+Subproject commit 17478405c8c30e37a8a3d6340de50a122a168126