diff --git a/demo/requirements.txt b/demo/requirements.txt
index f95fae7726..e6013b0a46 100644
--- a/demo/requirements.txt
+++ b/demo/requirements.txt
@@ -1,5 +1,5 @@
 asyncpg~=0.29.0
-prompt_toolkit~=3.0.45
+prompt_toolkit~=2.0.9
 web.py~=0.62
 pygments~=2.18
 qrcode[pil]~=7.4