diff --git a/.github/workflows/flatpak_deploy.yml b/.github/workflows/flatpak_deploy.yml
index 0dbfbc449..f4df67374 100644
--- a/.github/workflows/flatpak_deploy.yml
+++ b/.github/workflows/flatpak_deploy.yml
@@ -49,6 +49,7 @@ jobs:
           OUTPUT1: ${{ needs.build_flutter_app.outputs.output1 }}
         run: |
           VERSION=$(cat pubspec.yaml | grep version | cut -d ' ' -f 2)
+          chmod 777 flatpak/build-flatpak.sh
           cp assets/images/icon.png assets/images/info.shiosyakeyakini.miria.png
           sed -i "s|url: file_path|url: https://github.com/Npepperlinux/miria/releases/download/v$VERSION/miria-$VERSION-amd64.tar.gz|g" flatpak/info.shiosyakeyakini.miria.yml
           sed -i "s|sha256: get-later|sha256: $OUTPUT1|g" flatpak/info.shiosyakeyakini.miria.yml