diff --git a/.github/workflows/check-release.yaml b/.github/workflows/check-release.yaml
index 84f449c..7456420 100644
--- a/.github/workflows/check-release.yaml
+++ b/.github/workflows/check-release.yaml
@@ -27,7 +27,7 @@ jobs:
           version_spec: next
 
       - name: Upload Distributions
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: empack-releaser-dist-${{ github.run_number }}
           path: .jupyter_releaser_checkout/dist
diff --git a/ci_env.yml b/ci_env.yml
index 22c1e38..4462511 100644
--- a/ci_env.yml
+++ b/ci_env.yml
@@ -7,4 +7,4 @@ dependencies:
   - pip
   - pytest
   - micromamba >=1.4.1
-  - microsoft::playwright
+  - microsoft::playwright <=1.50
diff --git a/config/empack_config.yaml b/config/empack_config.yaml
index 3c6c2af..f5f1ff5 100644
--- a/config/empack_config.yaml
+++ b/config/empack_config.yaml
@@ -11,6 +11,12 @@ packages:
   widgetsnbextension:
     exclude_patterns:
       - pattern: '**'
+  numpy:
+    exclude_patterns:
+    - pattern: '**/*.pyx'
+    - pattern: '**/*.pyc'
+    - pattern: '**/*.typed'
+    - pattern: '**/*.egg-info'
 default:
   exclude_patterns:
     - pattern: 'bin/**'