diff --git a/pyproject.toml b/pyproject.toml
index 227503f..2b6553a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,7 @@ dependencies = [
   "attrs<23,>=19",
   "importlib-metadata~=6.0;python_version<'3.10'",
   "importlib-resources~=5.0;python_version<'3.9'",
-  "nbclient~=0.5.10",
+  "nbclient~=0.5,>=0.5.10",
   "nbdime>=4",
   "nbformat",
   "jsonschema",