diff --git a/requirements.txt b/requirements.txt
index db2eba1..b651f94 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,3 +38,4 @@ audioread
 uvicorn>=0.21.1
 colorama>=0.4.5
 pyworld>=0.3.2
+httpx==0.23.0