diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index fee713b..fdb5ec8 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -21,6 +21,9 @@ jobs:
     # runner config, but self-hosted makes intent explicit.
     runs-on: ubuntu-latest
 
+    env:
+      DOCKER_HOST: tcp://host.docker.internal:2375
+
     outputs:
       version: ${{ steps.version.outputs.version }}