diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1bebf06..51b8671 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -31,8 +31,15 @@ jobs:
     - run: npm test
     - name: test-install ffmpeg-static as dependency
       run: |
-        file=$(npm pack -s) && file=$(realpath $file)
-        cd $(mktemp -d) && npm init -y
-        npm i "$file"
-        file $(node -p 'require("ffmpeg-static")')
-        $(node -p 'require("ffmpeg-static")') --help
+        set -x
+        for file in $(npm pack -s --workspaces | xargs); do
+          file="$(realpath $file)"
+
+          pushd .
+          cd "$(mktemp -d)"
+          npm init -y
+          npm i "$file"
+          file "$(node -p 'require("ffmpeg-static")')"
+          "$(node -p 'require("ffmpeg-static")')" --help
+          popd
+        done