diff --git a/pyproject.toml b/pyproject.toml
index aadae122f584d1c451e0a99677a0afc3144bdd0e..af4b5d0931b0b4a46b4e2b69f0aa67640a534b6d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,8 +49,8 @@ secondary = true
 
 [tool.poetry.dependencies]
 python = "^3.9"
-aleksis-core = "^2.7"
-aleksis-app-chronos = "^2.2"
+aleksis-core = "^3.0.0.dev0"
+aleksis-app-chronos = "^3.0.0.dev0"
 aleksis-app-stoelindeling = { version = "^1.0", optional = true }
 
 [tool.poetry.dev-dependencies]