diff --git a/.github/workflows/build-single-file-specs.yml b/.github/workflows/build-single-file-specs.yml
index 17dbd3f9a..bab421ac0 100644
--- a/.github/workflows/build-single-file-specs.yml
+++ b/.github/workflows/build-single-file-specs.yml
@@ -15,7 +15,9 @@ jobs:
 
       - name: Build
         working-directory: ./tools
-        run: npm run merge
+        run: |-
+          npm install
+          npm run merge
 
       - name: Upload OpenAPI model artifact
         uses: actions/upload-artifact@v3