diff --git a/flatpak/io.github.hedge_dev.unleashedrecomp.json b/flatpak/io.github.hedge_dev.unleashedrecomp.json
index 338a2a52..1553aa7c 100644
--- a/flatpak/io.github.hedge_dev.unleashedrecomp.json
+++ b/flatpak/io.github.hedge_dev.unleashedrecomp.json
@@ -3,7 +3,7 @@
   "runtime": "org.freedesktop.Platform",
   "runtime-version": "25.08",
   "sdk": "org.freedesktop.Sdk",
-  "sdk-extensions" : [ "org.freedesktop.Sdk.Extension.llvm18" ],
+  "sdk-extensions" : [ "org.freedesktop.Sdk.Extension.llvm20" ],
   "finish-args": [
     "--share=network",
     "--socket=wayland",
@@ -35,8 +35,8 @@
         }
       ],
       "build-options": {
-        "append-path": "/usr/lib/sdk/llvm18/bin",
-        "prepend-ld-library-path": "/usr/lib/sdk/llvm18/lib",
+        "append-path": "/usr/lib/sdk/llvm20/bin",
+        "prepend-ld-library-path": "/usr/lib/sdk/llvm20/lib",
         "build-args": [
           "--share=network"
         ]