diff --git a/requirements.txt b/requirements.txt
index 6fa2f52..a162676 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 fastapi
-python-escpos
+python-escpos==3.0a9
 annotated-types==0.5.0
 anyio==3.7.1
 asgiref==3.7.2