diff --git a/mame.ini b/mame.ini
index ac1d304..354f5e8 100644
--- a/mame.ini
+++ b/mame.ini
@@ -31,3 +31,8 @@ share_directory           $HOME/.mame/share
 # OSD VIDEO OPTIONS
 #
 video                     opengl
+
+#
+# BGFX POST-PROCESSING OPTIONS
+#
+bgfx_path                 /app/share/mame/bgfx
diff --git a/org.mamedev.MAME.metainfo.xml b/org.mamedev.MAME.metainfo.xml
index 07c2861..85ddac0 100644
--- a/org.mamedev.MAME.metainfo.xml
+++ b/org.mamedev.MAME.metainfo.xml
@@ -27,6 +27,7 @@
   <url type="homepage">https://www.mamedev.org</url>
   <launchable type="desktop-id">org.mamedev.MAME.desktop</launchable>
   <releases>
+    <release version="0.261" date="2023-11-29"/>
     <release version="0.260" date="2023-10-25"/>
     <release version="0.259" date="2023-09-29"/>
     <release version="0.258" date="2023-08-30"/>
diff --git a/org.mamedev.MAME.yaml b/org.mamedev.MAME.yaml
index 1672929..4a922a7 100644
--- a/org.mamedev.MAME.yaml
+++ b/org.mamedev.MAME.yaml
@@ -1,6 +1,6 @@
 id: org.mamedev.MAME
 runtime: org.kde.Platform
-runtime-version: 5.15-22.08
+runtime-version: 5.15-23.08
 sdk: org.kde.Sdk
 command: mame
 separate-locales: false
@@ -11,6 +11,7 @@ finish-args:
   - --filesystem=host:ro
   - --share=network
   - --share=ipc
+  - --socket=x11
   - --socket=fallback-x11
   - --socket=pulseaudio
   - --socket=wayland
@@ -25,6 +26,7 @@ modules:
       - make
           -j ${FLATPAK_BUILDER_N_JOBS}
           CFLAGS+=-Wno-error=restrict
+          USE_WAYLAND=1
           USE_SYSTEM_LIB_FLAC=1
           SDL_INI_PATH='$$HOME/.APP_NAME;/app/share/APP_NAME/ini'
           LDOPTS=-Wl,-s
@@ -57,8 +59,8 @@ modules:
       - cp -r samples/ ${FLATPAK_DEST}/share/mame/
     sources:
       - type: archive
-        url: https://github.com/mamedev/mame/archive/refs/tags/mame0260.tar.gz
-        sha256: 104ca8daab3ce7bb9637e19f1dc60a08ac6856db730ab544275567addb9541cd
+        url: https://github.com/mamedev/mame/archive/refs/tags/mame0261.tar.gz
+        sha256: 51d5ce1563897709ceb7a924c31a70cc5ff2bec466aab8d0cc9ff3cc72b38899
       - type: file
         path: mame16x16.png
       - type: file