diff --git a/packages/opencode/src/provider/provider.ts b/packages/opencode/src/provider/provider.ts
index 92b001a6f..349073197 100644
--- a/packages/opencode/src/provider/provider.ts
+++ b/packages/opencode/src/provider/provider.ts
@@ -47,7 +47,7 @@ import { ProviderTransform } from "./transform"
 import { Installation } from "../installation"
 import { ModelID, ProviderID } from "./schema"
 
-const DEFAULT_CHUNK_TIMEOUT = 120_000
+const DEFAULT_CHUNK_TIMEOUT = 300_000
 
 export namespace Provider {
   const log = Log.create({ service: "provider" })