diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3c01637..219dc86 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -18,6 +18,9 @@ jobs:
       - name: Install PHP deps
         uses: ramsey/composer-install@v2
         
+      - name: Install Box
+        run: wget -O box "https://github.com/box-project/box/releases/download/4.6.1/box.phar"
+        
       - name: Build
         run: bash build.sh
         
diff --git a/build.sh b/build.sh
index d0bec1a..7a1ad58 100755
--- a/build.sh
+++ b/build.sh
@@ -1,7 +1,7 @@
 rm -rf ./build/phpup     
 rm -rf ./build/index.*
      
-box compile
+php box compile
 mkdir -p ./build
 mv index.phar ./build/