diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 476c742..656362b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,9 +18,9 @@ jobs:
   build-book:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
-      - uses: prefix-dev/setup-pixi@v0.8.10
+      - uses: prefix-dev/setup-pixi@v0.9.0
         with:
           pixi-version: v0.28.2
 
@@ -36,7 +36,7 @@ jobs:
   build-pyodide:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: astral-sh/setup-uv@v6
 
@@ -61,18 +61,18 @@ jobs:
       - name: Setup Pages
         uses: actions/configure-pages@v5
 
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: jupyterbook
           path: public
 
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: jupyterlite
           path: public/live
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           path: public