diff --git a/pyproject.toml b/pyproject.toml
index d1891dd..2f0d726 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ classifiers = [
 
 # These values need to match nbgrader, jupyterlab, and/or the api
 dependencies = [
-  "nbgrader==0.9.1",
+  "nbgrader==0.9.4",
   "alembic>=1.7",
   "jupyter_server>=2",
   "sqlalchemy>=1.4,<3",