diff --git a/setup.cfg b/setup.cfg
index 447a22a..c334648 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -22,7 +22,7 @@ python_requires = >=3.8
 install_requires =
     click
     pyinfra
-    pickleDB
+    pickleDB==0.9
     qrcode
     deltachat>=1.142.7