diff --git a/org.mamedev.MAME.metainfo.xml b/org.mamedev.MAME.metainfo.xml
index 5e2b294..e4c639a 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="0.255" date="2023-05-31"/>
     <release version="0.254" date="2023-04-27"/>
     <release version="0.253" date="2023-03-30"/>
     <release version="0.252" date="2023-02-22"/>
diff --git a/org.mamedev.MAME.yaml b/org.mamedev.MAME.yaml
index abf6c2f..a42e691 100644
--- a/org.mamedev.MAME.yaml
+++ b/org.mamedev.MAME.yaml
@@ -57,8 +57,8 @@ modules:
       - cp -r samples/ ${FLATPAK_DEST}/share/mame/
     sources:
       - type: archive
-        url: https://github.com/mamedev/mame/archive/refs/tags/mame0254.tar.gz
-        sha256: 07a5e2541e75c3511fbad00ad50d7dbd50119a7b054e393d4c64df672d8211a6
+        url: https://github.com/mamedev/mame/archive/refs/tags/mame0255.tar.gz
+        sha256: 2668375faff2fbe01283a9ab32cae4e8429b84c99eec4edecd387e26d6191b55
       - type: file
         path: mame16x16.png
       - type: file