diff --git a/.github/workflows/compatibility.yml b/.github/workflows/compatibility.yml
index 3199186..9e943c4 100644
--- a/.github/workflows/compatibility.yml
+++ b/.github/workflows/compatibility.yml
@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v4
       # See: https://github.com/KohlbacherLab/dnpm-dip-api-gateway/blob/main/app/controllers/README.md#synthetic-json-data
       - name: Download synthetic mtb patient record
-        run: curl -f -L https://dnpm-dip.net/api/mtb/fake/data/patient-record -o ./tests/mv64e-mtb-fake-patient.json
+        run: curl -f -L https://preview.dnpm-dip.net/api/mtb/fake/data/patient-record -o ./tests/mv64e-mtb-fake-patient.json
       - name: Build
         run: cargo build --verbose
       - name: Run tests