diff --git a/.github/workflows/supply-chain.yml b/.github/workflows/supply-chain.yml
index 03296d5..9ae9b3c 100644
--- a/.github/workflows/supply-chain.yml
+++ b/.github/workflows/supply-chain.yml
@@ -46,7 +46,7 @@ jobs:
           poetry run ruff check .
           poetry run black --check .
           poetry run pytest -q
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v5
         with:
           node-version: "20"
           cache: "npm"
diff --git a/.github/workflows/ts-ci-badge.yml b/.github/workflows/ts-ci-badge.yml
index 8993373..5f671cd 100644
--- a/.github/workflows/ts-ci-badge.yml
+++ b/.github/workflows/ts-ci-badge.yml
@@ -5,6 +5,6 @@ jobs:
   badge:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v5
         with: { node-version: "20" }
       - run: node -v && npm -v
diff --git a/.github/workflows/ts-ci.yml b/.github/workflows/ts-ci.yml
index 1e8734a..c5b010b 100644
--- a/.github/workflows/ts-ci.yml
+++ b/.github/workflows/ts-ci.yml
@@ -52,7 +52,7 @@ jobs:
             echo "has_pkg=false" >> "$GITHUB_OUTPUT"
           fi
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v5
         if: ${{ steps.guard.outputs.has_pkg == 'true' }}
         with:
           node-version: ${{ matrix.node }}