diff --git a/FranzCross/flatpak/io.defn.Franz.yml b/FranzCross/flatpak/io.defn.Franz.yml
index ce48976..8d176c8 100644
--- a/FranzCross/flatpak/io.defn.Franz.yml
+++ b/FranzCross/flatpak/io.defn.Franz.yml
@@ -1,7 +1,7 @@
 app-id: io.defn.Franz
 runtime: org.freedesktop.Platform
-runtime-version: '22.04'
-sdk: org.freedesktop.sdk
+runtime-version: '23.08'
+sdk: org.freedesktop.Sdk
 command: Franz
 finish-args:
   - --share=ipc
@@ -22,4 +22,6 @@ modules:
       no-debuginfo: true
     sources:
       - type: archive
-        path: FIXME
+        url: 'https://franz.defn.io/releases/Franz 1.2.0001.linux.x86_64.tar.gz'
+        sha256: a86d14e8f245d16098d0e6646dd273ed95b275b3b712810cb5b788ed7711e223
+        strip-components: 0