diff --git a/io.mrarm.mcpelauncher.json b/io.mrarm.mcpelauncher.json
index d0c5bc9..6965e15 100644
--- a/io.mrarm.mcpelauncher.json
+++ b/io.mrarm.mcpelauncher.json
@@ -1,10 +1,10 @@
 {
     "id": "io.mrarm.mcpelauncher",
     "runtime": "org.kde.Platform",
-    "runtime-version": "5.14",
+    "runtime-version": "5.15",
     "sdk": "org.kde.Sdk",
     "base": "io.qt.qtwebengine.BaseApp",
-    "base-version": "5.14",
+    "base-version": "5.15",
     "command": "mcpelauncher-ui-qt",
     "cleanup": [
         "*.a",
@@ -169,7 +169,7 @@
         },
         {
             "name": "mcpelauncher-client",
-            "buildsystem": "cmake-ninja",
+            "buildsystem": "cmake",
             "build-options": {
                 "arch": {
                     "x86_64": {
@@ -277,4 +277,4 @@
             ]
         }
     ]
-}
\ No newline at end of file
+}