diff --git a/src/deno_sandbox/revisions.py b/src/deno_sandbox/revisions.py
index 00b89f4..bdf60a7 100644
--- a/src/deno_sandbox/revisions.py
+++ b/src/deno_sandbox/revisions.py
@@ -182,6 +182,8 @@ async def deploy(
         layers: Optional[List[str]] = None,
         env_vars: Optional[List[EnvVarInputForDeploy]] = None,
         labels: Optional[Dict[str, str]] = None,
+        production: Optional[bool] = None,
+        preview: Optional[bool] = None,
     ) -> Revision:
         """Deploy a revision by uploading source files as assets.
 
@@ -192,6 +194,10 @@ async def deploy(
             layers: Layer IDs or slugs to reference for this revision.
             env_vars: Optional environment variables for this revision.
             labels: Optional labels (e.g., git metadata).
+            production: Whether to deploy to the production timeline.
+                Defaults to true on the server.
+            preview: Whether to deploy as a preview deployment.
+                Defaults to false on the server.
 
         Returns:
             The created Revision (build is async; poll for status).
@@ -205,6 +211,10 @@ async def deploy(
             body["env_vars"] = env_vars
         if labels is not None:
             body["labels"] = labels
+        if production is not None:
+            body["production"] = production
+        if preview is not None:
+            body["preview"] = preview
         result = await self._client.post(f"/api/v2/apps/{app}/deploy", body)
         return cast(Revision, convert_to_snake_case(result))
 
@@ -267,6 +277,8 @@ def deploy(
         layers: Optional[List[str]] = None,
         env_vars: Optional[List[EnvVarInputForDeploy]] = None,
         labels: Optional[Dict[str, str]] = None,
+        production: Optional[bool] = None,
+        preview: Optional[bool] = None,
     ) -> Revision:
         """Deploy a revision by uploading source files as assets.
 
@@ -277,6 +289,10 @@ def deploy(
             layers: Layer IDs or slugs to reference for this revision.
             env_vars: Optional environment variables for this revision.
             labels: Optional labels (e.g., git metadata).
+            production: Whether to deploy to the production timeline.
+                Defaults to true on the server.
+            preview: Whether to deploy as a preview deployment.
+                Defaults to false on the server.
 
         Returns:
             The created Revision (build is async; poll for status).
@@ -289,5 +305,7 @@ def deploy(
                 layers=layers,
                 env_vars=env_vars,
                 labels=labels,
+                production=production,
+                preview=preview,
             )
         )
diff --git a/tests/test_revisions.py b/tests/test_revisions.py
index 4cf5ba2..9d5e6aa 100644
--- a/tests/test_revisions.py
+++ b/tests/test_revisions.py
@@ -193,3 +193,51 @@ def test_revisions_deploy_sync():
         assert revision["status"] == "succeeded", revision.get("failure_reason")
     finally:
         sdk.apps.delete(app["id"])
+
+
+@pytest.mark.timeout(120)
+@pytest.mark.asyncio(loop_scope="session")
+async def test_revisions_deploy_preview_only_async():
+    """Deploy with production=False, preview=True and verify timeline assignment."""
+    sdk = AsyncDenoDeploy()
+    app = await sdk.apps.create()
+    try:
+        revision = await sdk.revisions.deploy(
+            app["id"],
+            assets={
+                "main.ts": {
+                    "kind": "file",
+                    "encoding": "utf-8",
+                    "content": 'Deno.serve(() => new Response("Hello"))',
+                }
+            },
+            production=False,
+            preview=True,
+        )
+        assert revision["id"] is not None
+        while revision["status"] in ("queued", "building"):
+            await asyncio.sleep(1)
+            revision = await sdk.revisions.get(revision["id"])
+            assert revision is not None
+        assert revision["status"] == "succeeded", revision.get("failure_reason")
+
+        # Verify timeline assignment via the revision timelines API
+        timelines = await sdk.revisions._client.get(
+            f"/api/v2/revisions/{revision['id']}/timelines"
+        )
+        production = [
+            t
+            for t in timelines
+            if t["slug"] == "production"
+            and not t.get("partition", {}).get("deno.revision.id")
+        ]
+        preview = [
+            t
+            for t in timelines
+            if t["slug"] == "preview"
+            and t.get("partition", {}).get("deno.revision.id") == revision["id"]
+        ]
+        assert len(production) == 0, "should not be on production timeline"
+        assert len(preview) > 0, "should be on preview timeline"
+    finally:
+        await sdk.apps.delete(app["id"])