diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 92c4a66..4d2d5a9 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -15,7 +15,7 @@
 		"ghcr.io/eitsupi/devcontainer-features/mdbook:1": {
 			"version": "latest"
 		},
-		"ghcr.io/devcontainers-extra/features/claude-code:1": {
+		"ghcr.io/devcontainers-extra/features/claude-code:2": {
 			"version": "latest"
 		},
 		"ghcr.io/devcontainers-extra/features/mise:1": {
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 6ba33d3..4cc0c3b 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -45,7 +45,7 @@ jobs:
 
       - name: Upload artifact
         if: github.ref == 'refs/heads/main'
-        uses: actions/upload-pages-artifact@v4
+        uses: actions/upload-pages-artifact@v5
         with:
           path: docs/book