diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f88e35c..749b3b0 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -24,6 +24,9 @@ jobs:
           sudo apt update -qq
           sudo apt install -yqq libguestfs-tools qemu-utils qemu-system-arm qemu-efi-aarch64 qemu-block-extra qemu-user-static binfmt-support rsync sudo wget xz-utils pigz mount dosfstools libarchive-tools
           
+      - name: Make build script executable
+        run: chmod +x build.sh
+
       - name: Build firmware
         run: |
           sudo ./build.sh