diff --git a/dev-requirements.txt b/dev-requirements.txt
index bdf678f1..0a8b925e 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,5 +1,6 @@
 jupyter-packaging>=0.10
 nbclassic
+notebook>=5.5,<7
 packaging
 pytest
 pytest-cov