diff --git a/.github/workflows/install-pkg.yml b/.github/workflows/install-pkg.yml
index d3ef9a3..3d75427 100644
--- a/.github/workflows/install-pkg.yml
+++ b/.github/workflows/install-pkg.yml
@@ -58,6 +58,7 @@ jobs:
         $wheel = Get-ChildItem dist/*.whl | Select-Object -First 1
         pip install $wheel
         python -c "import ipyboxasdf"
+        if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
         pip uninstall -y ipybox
 
     - name: Test wheel installation (Unix)
@@ -74,6 +75,7 @@ jobs:
         $tarball = Get-ChildItem dist/*.tar.gz | Select-Object -First 1
         pip install $tarball
         python -c "import ipyboxasdf"
+        if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
         pip uninstall -y ipybox
 
     - name: Test tarball installation (Unix)