diff --git a/addon/Dockerfile b/addon/Dockerfile
index a8d5b09..a434a4b 100644
--- a/addon/Dockerfile
+++ b/addon/Dockerfile
@@ -2,13 +2,12 @@ FROM python:3.13-slim
 
 WORKDIR /app
 
-COPY pyproject.toml README.md ./
-COPY app ./app
-RUN python -m pip install --no-cache-dir .
+ARG SILLYHOME_FUTURE_REF=main
+RUN python -m pip install --no-cache-dir \
+    "http://192.168.6.31:3000/Otto/sillyhome-future/archive/${SILLYHOME_FUTURE_REF}.tar.gz"
 
-COPY addon/run.sh /run.sh
+COPY run.sh /run.sh
 RUN chmod 0755 /run.sh \
     && useradd --create-home --uid 10001 sillyhome
 
 ENTRYPOINT ["/run.sh"]
-
diff --git a/addon/config.yaml b/addon/config.yaml
index 193ecc4..1e6d0ab 100644
--- a/addon/config.yaml
+++ b/addon/config.yaml
@@ -1,5 +1,5 @@
 name: SillyHome Future
-version: "2.0.0-alpha.2"
+version: "2.0.0-alpha.3"
 slug: sillyhome_future
 description: Event-first SillyHome v2 test controller
 url: http://192.168.6.31:3000/Otto/sillyhome-future
@@ -26,4 +26,3 @@ options:
 schema:
   store_path: str
   log_level: list(debug|info|warning|error)
-
diff --git a/app/main.py b/app/main.py
index 81e0677..9097bae 100644
--- a/app/main.py
+++ b/app/main.py
@@ -21,7 +21,7 @@ from app.core.stores import FutureStores
 app = FastAPI(
     title="SillyHome Future API",
     description="SillyHome v2 event-core side project.",
-    version="2.0.0-alpha.2",
+    version="2.0.0-alpha.3",
 )
 stores = FutureStores(os.getenv("SILLYHOME_FUTURE_STORE", ".future_store"))
 event_core = EventCore(stores)
diff --git a/pyproject.toml b/pyproject.toml
index 448df0e..452d716 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "sillyhome-future"
-version = "2.0.0-alpha.2"
+version = "2.0.0-alpha.3"
 description = "SillyHome v2 event-core prototype"
 requires-python = ">=3.11"
 dependencies = [
diff --git a/tests/test_addon_config.py b/tests/test_addon_config.py
index 6bde48e..1822c36 100644
--- a/tests/test_addon_config.py
+++ b/tests/test_addon_config.py
@@ -9,7 +9,7 @@ def test_addon_config_declares_future_addon() -> None:
     config = yaml.safe_load(Path("addon/config.yaml").read_text(encoding="utf-8"))
 
     assert config["slug"] == "sillyhome_future"
-    assert config["version"] == "2.0.0-alpha.2"
+    assert config["version"] == "2.0.0-alpha.3"
     assert config["ingress"] is True
     assert config["ingress_port"] == 8099
     assert config["homeassistant_api"] is True
diff --git a/tests/test_future_api.py b/tests/test_future_api.py
index 650404b..a08db30 100644
--- a/tests/test_future_api.py
+++ b/tests/test_future_api.py
@@ -15,7 +15,7 @@ def test_health_and_backup_roundtrip(tmp_path, monkeypatch) -> None:  # type: ig
 
     assert stores is not None
     assert health.status_code == 200
-    assert health.json()["version"] == "2.0.0-alpha.2"
+    assert health.json()["version"] == "2.0.0-alpha.3"
     assert backup.status_code == 200
     assert restore.status_code == 200
     assert restore.json() == {"status": "restored"}