diff --git a/pyproject.toml b/pyproject.toml
index 5ac8f9e..edcab4b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,7 +41,7 @@ include = [
 python = ">=3.10,<3.12"
 astropy = "^5.0.2"
 fastavro = "^1.3.2"
-ampel-ztf = {version = ">=0.8.9a0,<0.9", extras = ["kafka"]}
+ampel-ztf = {version = ">=0.9.0,<0.10", extras = ["kafka"]}
 ampel-alerts = {version = ">=0.8.6a0,<0.9"}
 
 [tool.poetry.dev-dependencies]