diff --git a/pyproject.toml b/pyproject.toml
index dcb8e334793ddc6979c25bdd2faa7656036d68b6..56e747b8dd5092480272a16b26d60fd3afd9c63f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -45,7 +45,7 @@ aleksis-core = "^2.0"
 aleksis-app-chronos = "^2.0"
 
 [tool.poetry.dev-dependencies]
-aleksis-builddeps = "^6"
+aleksis-builddeps = "*"
 
 [tool.poetry.plugins."aleksis.app"]
 untis = "aleksis.apps.untis.apps:UntisConfig"