diff --git a/pyproject.toml b/pyproject.toml
index ec58e50b3d71f46226132e9e400664cc938be1d0..271f75ede1f9c826137430adf5e745580aa9b686 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ classifiers = [
 [tool.poetry.dependencies]
 python = "^3.7"
 calendarweek = "^0.4.4"
-AlekSIS = "^2.0a3.dev0"
+AlekSIS = "^2.0a2"
 
 [build-system]
 requires = ["poetry>=1.0"]