diff --git a/pyproject.toml b/pyproject.toml
index e8d3c23..26cba0b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,8 @@ classifiers = [
     "Programming Language :: Python :: 3.12",
 ]
 dependencies = [
-    "jupyter_server>=2.0.1,<3"
+    "jupyter_client>=8.6.2",
+    "jupyter_server>=2.0.1,<3",
 ]
 dynamic = ["version", "description", "authors", "urls", "keywords"]