diff --git a/pyproject.toml b/pyproject.toml
index deedc638..f03a1004 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ classifiers = [
 ]
 requires-python = ">=3.7"
 dependencies = [
-  "jupyter_ydoc>=0.2.0,<0.4.0",
+  "jupyter_ydoc>=0.3.0,<0.4.0",
   "ypy-websocket>=0.8.2,<0.9.0",
   "jupyter_server_fileid >=0.6.0,<1"
 ]