From 93211d14c9ea6e7be4976eb0aad1d81e2d058f6d Mon Sep 17 00:00:00 2001
From: Ben Jeffery <ben.jeffery@bdi.ox.ac.uk>
Date: Fri, 23 Jan 2026 13:44:13 +0000
Subject: [PATCH] Pin jupyter-book <2

---
 pyproject.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index 6086414..41cb171 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -84,7 +84,7 @@ docs = [
     "tskit==0.6.4",
 ]
 dev = [
-    "jupyter-book",
+    "jupyter-book<2",
     "matplotlib",
     "msprime",
     "numba",