diff --git a/pyproject.toml b/pyproject.toml
index e835cf2..18f7158 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ classifiers = [
 ]
 dependencies = [
     "traitlets",
-    "jupyterlite-core>=0.2.0a1,<0.3",
+    "jupyterlite-core>=0.2.0rc0,<0.3",
     "requests",
     "empack>=3.1,<4",
     "typer",