diff --git a/requirements.txt b/requirements.txt
index fc679e6..22a94ea 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 aiohttp>=3.13.3
 cx_freeze>=7.0.0
 lxmf>=0.9.3
-peewee>=3.18.1
+peewee>=3.18.1,<4.0.0
 rns>=1.1.4
 websockets>=16.0