diff --git a/pkgs/flatpak/com.github.rafostar.Clapper.json b/pkgs/flatpak/com.github.rafostar.Clapper.json
index ae552021..05f6a193 100644
--- a/pkgs/flatpak/com.github.rafostar.Clapper.json
+++ b/pkgs/flatpak/com.github.rafostar.Clapper.json
@@ -1,7 +1,7 @@
 {
     "app-id": "com.github.rafostar.Clapper",
     "runtime": "org.gnome.Platform",
-    "runtime-version": "3.38",
+    "runtime-version": "40",
     "sdk": "org.gnome.Sdk",
     "command": "com.github.rafostar.Clapper",
     "finish-args": [