diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 3ff2f3d..a82defb 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -69,6 +69,17 @@ jobs:
         retention-days: 30
         compression: 7
 
+  validate:
+    runs-on: debian-latest
+    steps:
+    - uses: actions/checkout@v6
+
+    - name: Install uv
+      uses: astral-sh/setup-uv@v7
+
+    - name: Validate map data
+      run: uv run mckart validate
+
   # build-nix:
   #   runs-on: debian-latest
   #   steps: