diff --git a/eu.ad5001.LogarithmPlotter.json b/eu.ad5001.LogarithmPlotter.json
index fbcdaed..4130de1 100644
--- a/eu.ad5001.LogarithmPlotter.json
+++ b/eu.ad5001.LogarithmPlotter.json
@@ -1,12 +1,12 @@
 {
     "app-id": "eu.ad5001.LogarithmPlotter",
     "runtime": "org.kde.Platform",
-    "runtime-version": "5.15",
+    "runtime-version": "5.15-21.08",
     "sdk": "org.kde.Sdk",
     "finish-args": [
         "--share=ipc",
         "--device=dri",
-        "--socket=x11",
+        "--socket=fallback-x11",
         "--socket=wayland",
         "--talk-name=org.freedesktop.DBus.Proprieties",
         "--talk-name=org.freedesktop.IBus",