diff --git a/.github/workflows/integration.yaml b/.github/workflows/integration.yaml
index 2193fcc..f512227 100644
--- a/.github/workflows/integration.yaml
+++ b/.github/workflows/integration.yaml
@@ -83,7 +83,7 @@ jobs:
           yarn swc editor -d ./build-editor/
           checkBuild "editor" "build-editor"
 
-          tee spack.config.js <<EOF
+          tee spack.config.cjs <<EOF
           module.exports = {
             entry: {
               web: __dirname + "/src/Three.js",
@@ -95,7 +95,7 @@ jobs:
           EOF
 
           echo "Run spack"
-          yarn spack
+          yarn spack --config spack.config.cjs
       - name: (swc + spack) rxjs
         shell: bash
         run: |
@@ -153,7 +153,7 @@ jobs:
           yarn swc spec -d build-spec
           checkBuild "spec" "build-spec"
 
-          tee spack.config.js <<EOF
+          tee spack.config.cjs <<EOF
           module.exports = {
             entry: {
               web: __dirname + "/src/index.ts",
@@ -165,4 +165,4 @@ jobs:
           EOF
 
           echo "Run spack"
-          yarn spack
+          yarn spack --config spack.config.cjs