diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 05dd8877..526fdf67 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -50,7 +50,7 @@ jobs:
 
       - uses: flatpak/flatpak-github-actions/flatpak-builder@v5
         with:
-          repository-name: flathub
+          repository-name: gnome-nightly
           bundle: gradience-devel.flatpak
           manifest-path: build-aux/flatpak/com.github.GradienceTeam.Gradience.Devel.json
           cache-key: flatpak-builder-${{ github.sha }}
diff --git a/build-aux/flatpak/com.github.GradienceTeam.Gradience.Devel.json b/build-aux/flatpak/com.github.GradienceTeam.Gradience.Devel.json
index e60274bf..086ff085 100644
--- a/build-aux/flatpak/com.github.GradienceTeam.Gradience.Devel.json
+++ b/build-aux/flatpak/com.github.GradienceTeam.Gradience.Devel.json
@@ -1,7 +1,7 @@
 {
     "app-id" : "com.github.GradienceTeam.Gradience.Devel",
     "runtime" : "org.gnome.Platform",
-    "runtime-version" : "44",
+    "runtime-version" : "master",
     "sdk" : "org.gnome.Sdk",
     "command" : "gradience",
     "finish-args" : [