diff --git a/.github/workflows/ExtendableFEMtest.yml b/.github/workflows/ExtendableFEMtest.yml
new file mode 100644
index 0000000..e7d1c56
--- /dev/null
+++ b/.github/workflows/ExtendableFEMtest.yml
@@ -0,0 +1,22 @@
+name: ExtendableFEM Downstream Test
+on:
+  pull_request:
+    branches:
+      - master
+jobs:
+  test:
+    name: GitHub master
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+    steps:
+      - uses: actions/checkout@v4
+      - uses: julia-actions/setup-julia@v2
+        with:
+          version: '1'
+      - run: |
+          julia --project -e '
+            using Pkg
+            Pkg.add(url="https://github.com/WIAS-PDELib/ExtendableFEM.jl", rev="master")
+            Pkg.instantiate()
+            Pkg.test("ExtendableFEM")'