diff --git a/requirements.txt b/requirements.txt
index 86702fad907a0c140e0ff73b0caca45840371636..1564b9f175e924cfe5ab2e44e1fcbc0827fb8969 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ lxml
 pyecore
 piacere-doml-synthesis
 lark
-uvicorn
+uvicorn[standard]
 pytest
 pytest-xdist
 pytest-subtests