diff --git a/lib/coolify.ts b/lib/coolify.ts
index 0e48d4c..35d3af7 100644
--- a/lib/coolify.ts
+++ b/lib/coolify.ts
@@ -429,8 +429,18 @@ export async function listApplications(): Promise<CoolifyApplication[]> {
   return coolifyFetch('/applications');
 }
 
-export async function deployApplication(uuid: string): Promise<{ deployment_uuid: string }> {
-  return coolifyFetch(`/applications/${uuid}/deploy`, { method: 'POST' });
+export async function deployApplication(uuid: string, opts: { force?: boolean } = {}): Promise<{ deployment_uuid: string }> {
+  // Coolify v4 exposes deploy as POST /deploy?uuid=...&force=...
+  // The older /applications/{uuid}/deploy path is a 404 on current
+  // Coolify releases.
+  const q = new URLSearchParams({ uuid });
+  if (opts.force) q.set('force', 'true');
+  const res = await coolifyFetch(`/deploy?${q.toString()}`, { method: 'POST' });
+  // Response shape: { deployments: [{ deployment_uuid, ... }] } or direct object.
+  const first = Array.isArray(res?.deployments) ? res.deployments[0] : res;
+  return {
+    deployment_uuid: first?.deployment_uuid ?? first?.uuid ?? '',
+  };
 }
 
 export async function getApplication(uuid: string): Promise<CoolifyApplication> {