diff --git a/pyproject.toml b/pyproject.toml
index 38c3382..9ecb92f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,7 +52,7 @@ docs = [
     "sphinx-book-theme>=1.1.0,<1.2",
     "sphinxcontrib-bibtex>=2.6.2,<2.7",
     "myst-parser>=2.0.0,<4.1",
-    "myst-nb>=1.0.0,<1.2",
+    "myst-nb>=1.0.0,<1.4",
 ]
 notebooks = [
     "scikit-learn>=1.5.1,<1.7",