diff --git a/source/_posts/2019-09-13-live-blogging-symfonylive-london.md b/source/_posts/2019-09-13-live-blogging-symfonylive-london.md
index 0e2cd359..01ace044 100644
--- a/source/_posts/2019-09-13-live-blogging-symfonylive-london.md
+++ b/source/_posts/2019-09-13-live-blogging-symfonylive-london.md
@@ -299,3 +299,5 @@ framework:
 - `$chunk->isInformational()`
 - `$response->toStream()`
 - Async-compatible extensibility, when decoration is not enough
+
+`composer req symfony/http-client`