diff --git a/.github/workflows/pr_code_changes.yaml b/.github/workflows/pr_code_changes.yaml
index 960bb42c..6afecf5a 100644
--- a/.github/workflows/pr_code_changes.yaml
+++ b/.github/workflows/pr_code_changes.yaml
@@ -15,13 +15,13 @@ jobs:
     name: Check changelog fragment
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Check for changelog fragment
         run: .github/check-changelog.sh
   Lint:
     runs-on: ubuntu-latest
     steps:
-        - uses: actions/checkout@v4
+        - uses: actions/checkout@v6
         - name: Install ruff
           run: pip install ruff
 
@@ -33,17 +33,17 @@ jobs:
   Mypy:
     runs-on: ubuntu-latest
     steps:
-        - uses: actions/checkout@v4
+        - uses: actions/checkout@v6
         - name: Install uv
-          uses: astral-sh/setup-uv@v5
+          uses: astral-sh/setup-uv@v8.1.0
         - name: Set up Python
-          uses: actions/setup-python@v5
+          uses: actions/setup-python@v6
           with:
               python-version: '3.13'
         - name: Install package
           run: uv pip install -e .[dev] --system
         - name: Run mypy (informational)
-          run: mypy src/policyengine || echo "::warning::mypy found errors (non-blocking until codebase is clean)"
+          run: mypy src/policyengine || echo "mypy found errors (non-blocking until codebase is clean)"
   Python-Compat:
     name: Install + smoke-import (py${{ matrix.python-version }})
     runs-on: ubuntu-latest
@@ -52,14 +52,14 @@ jobs:
       matrix:
         python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
           allow-prereleases: true
       - name: Install uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v8.1.0
       - name: Install package (no country-model extras)
         # `h5py` is used transitively by policyengine.core.scoping_strategy
         # but is normally supplied via the [us]/[uk] extras (through
@@ -77,12 +77,12 @@ jobs:
         python-version: ['3.13', '3.14']
     steps:
         - name: Checkout repo
-          uses: actions/checkout@v4
+          uses: actions/checkout@v6
         - name: Install uv
-          uses: astral-sh/setup-uv@v5
+          uses: astral-sh/setup-uv@v8.1.0
 
         - name: Set up Python
-          uses: actions/setup-python@v5
+          uses: actions/setup-python@v6
           with:
               python-version: ${{ matrix.python-version }}
               allow-prereleases: true
diff --git a/.github/workflows/pr_docs_changes.yaml b/.github/workflows/pr_docs_changes.yaml
index 9c0f059f..7668bca4 100644
--- a/.github/workflows/pr_docs_changes.yaml
+++ b/.github/workflows/pr_docs_changes.yaml
@@ -17,11 +17,11 @@ jobs:
     name: Test documentation builds
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Install uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v8.1.0
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.13'
       - name: Set up Quarto
diff --git a/.github/workflows/push.yaml b/.github/workflows/push.yaml
index 11cd2d74..a5f20391 100644
--- a/.github/workflows/push.yaml
+++ b/.github/workflows/push.yaml
@@ -26,7 +26,7 @@ jobs:
     if: github.event.head_commit.message != 'Update package version'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Install ruff
         run: pip install ruff
       - name: Run ruff format check
@@ -43,11 +43,11 @@ jobs:
         python-version: ['3.13', '3.14']
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Install uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v8.1.0
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
           allow-prereleases: true
@@ -75,7 +75,7 @@ jobs:
     env:
       BASE_URL: /${{ github.event.repository.name }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Setup Pages
         uses: actions/configure-pages@v3
       - uses: actions/setup-node@v4
@@ -103,14 +103,14 @@ jobs:
           app-id: ${{ secrets.APP_ID }}
           private-key: ${{ secrets.APP_PRIVATE_KEY }}
       - name: Checkout repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           token: ${{ steps.app-token.outputs.token }}
           fetch-depth: 0
       - name: Fetch tags
         run: git fetch --tags --force
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.13'
       - name: Build changelog
@@ -137,11 +137,11 @@ jobs:
       GH_TOKEN: ${{ github.token }}
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Install uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v8.1.0
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.13'
       - name: Install package
diff --git a/changelog.d/update-actions-node24.changed.md b/changelog.d/update-actions-node24.changed.md
new file mode 100644
index 00000000..b0038fe3
--- /dev/null
+++ b/changelog.d/update-actions-node24.changed.md
@@ -0,0 +1 @@
+Updated GitHub Actions workflows for Node 24-compatible action runtimes.