diff --git a/stack-lts-9.yaml b/stack-lts-9.yaml
index 46cff54b..4bcb66b9 100644
--- a/stack-lts-9.yaml
+++ b/stack-lts-9.yaml
@@ -14,6 +14,7 @@ packages:
 - ./yesod-eventsource
 - ./yesod-websockets
 extra-deps:
+- bsb-http-chunked-0.0.0.2@rev:0
 - conduit-1.3.0.2@rev:0
 - conduit-extra-1.3.0@rev:0
 - html-conduit-1.3.0@rev:0
@@ -29,5 +30,6 @@ extra-deps:
 - typed-process-0.2.2.0@rev:0
 - wai-extra-3.0.22.1@rev:0
 - wai-logger-2.3.2@rev:0
+- warp-3.2.22@rev:0
 - xml-conduit-1.8.0@rev:0
 - yaml-0.8.30@rev:0