diff --git a/pyproject.toml b/pyproject.toml
index ba2882165a9fc536e3448e662acddc72700b6fc4..aa30f646f620e4452026dd100d660448fbb54861 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "BiscuIT-App-SchILD-NRW"
-version = "1.0a2"
+version = "1.0a3.dev0"
 packages = [
     { include = "biscuit" }
 ]
@@ -20,7 +20,7 @@ classifiers = [
 
 [tool.poetry.dependencies]
 python = "^3.7"
-BiscuIT-ng = {version = "^1.0a2", allows-prereleases = true, path = "../../.."}
+BiscuIT-ng = {version = "^1.0a3.dev0", allows-prereleases = true, path = "../../.."}
 pandas = "^0.25.0"
 phonenumbers = "^8.10"