diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index acdd518..c6d9296 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -20,7 +20,7 @@ concurrency:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
         with:
@@ -52,7 +52,7 @@ jobs:
   deploy:
     if: github.event_name != 'pull_request'
     needs: build
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 5235316..f85fed3 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-jupyter-book
+jupyter-book < 2
 matplotlib
 numpy
 ghp-import