diff --git a/.github/actions/overwrite-package-version/action.yml b/.github/actions/overwrite-package-version/action.yml
index 8a2739456e..aed736ecf9 100644
--- a/.github/actions/overwrite-package-version/action.yml
+++ b/.github/actions/overwrite-package-version/action.yml
@@ -25,7 +25,7 @@ runs:
   using: "composite"
   steps:
     - name: Setup Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
       with:
         python-version: '3.12'
 
diff --git a/.github/workflows/audit.yml b/.github/workflows/audit.yml
index abe0c377c5..68731cbed3 100644
--- a/.github/workflows/audit.yml
+++ b/.github/workflows/audit.yml
@@ -44,11 +44,13 @@ jobs:
     runs-on: ubuntu-latest
     if: github.repository == 'apache/iceberg-rust'
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        with:
+          persist-credentials: false
       - name: Setup Rust toolchain
         uses: ./.github/actions/setup-builder
         with:
           rust-version: stable
-      - uses: rustsec/audit-check@v2.0.0
+      - uses: rustsec/audit-check@69366f33c96575abad1ee0dba8212993eecbe998 # v2.0.0
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/bindings_python_ci.yml b/.github/workflows/bindings_python_ci.yml
index efd4a78098..a7abfcbeed 100644
--- a/.github/workflows/bindings_python_ci.yml
+++ b/.github/workflows/bindings_python_ci.yml
@@ -47,7 +47,9 @@ jobs:
   check-rust:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        with:
+          persist-credentials: false
       - name: Check format
         working-directory: "bindings/python"
         run: cargo fmt --all -- --check
@@ -58,8 +60,10 @@ jobs:
   check-python:
     runs-on: ubuntu-slim
     steps:
-      - uses: actions/checkout@v6
-      - uses: astral-sh/setup-uv@5a095e7a2014a4212f075830d4f7277575a9d098
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        with:
+          persist-credentials: false
+      - uses: astral-sh/setup-uv@5a095e7a2014a4212f075830d4f7277575a9d098 # v7.3.1
         with:
           version: "0.9.3"
           enable-cache: true
@@ -85,16 +89,18 @@ jobs:
           - macos-latest
           - windows-latest
     steps:
-      - uses: actions/checkout@v6
-      - uses: actions/setup-python@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        with:
+          persist-credentials: false
+      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6
         with:
           python-version: 3.12
-      - uses: PyO3/maturin-action@v1
+      - uses: PyO3/maturin-action@04ac600d27cdf7a9a280dadf7147097c42b757ad # v1
         with:
           working-directory: "bindings/python"
           command: build
           args: --out dist -i python3.12 # Explicitly set interpreter; manylinux containers have multiple Pythons and maturin may pick an older one
-      - uses: astral-sh/setup-uv@5a095e7a2014a4212f075830d4f7277575a9d098
+      - uses: astral-sh/setup-uv@5a095e7a2014a4212f075830d4f7277575a9d098 # v7.3.1
         with:
           version: "0.9.3"
           enable-cache: true
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index af96f9ad66..63ee893fa2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -53,19 +53,21 @@ jobs:
           - ubuntu-latest
           - macos-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        with:
+          persist-credentials: false
 
       - name: Setup Rust toolchain
         uses: ./.github/actions/setup-builder
 
       - name: Check License Header
-        uses: apache/skywalking-eyes/header@v0.8.0
+        uses: apache/skywalking-eyes/header@61275cc80d0798a405cb070f7d3a8aaf7cf2c2c1 # v0.8.0
 
       - name: Check toml format
         run: make check-toml
 
       - name: Install protoc
-        uses: arduino/setup-protoc@v3
+        uses: arduino/setup-protoc@c65c819552d16ad3c9b72d9dfd5ba5237b9c906b # v3
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
 
@@ -91,16 +93,18 @@ jobs:
           - macos-latest
           - windows-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        with:
+          persist-credentials: false
 
       - name: Setup Rust toolchain
         uses: ./.github/actions/setup-builder
 
       - name: Cache Rust artifacts
-        uses: swatinem/rust-cache@v2
+        uses: swatinem/rust-cache@e18b497796c12c097a38f9edb9d0641fb99eee32 # v2
 
       - name: Install protoc
-        uses: arduino/setup-protoc@v3
+        uses: arduino/setup-protoc@c65c819552d16ad3c9b72d9dfd5ba5237b9c906b # v3
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
 
@@ -117,13 +121,15 @@ jobs:
           - macos-latest
           - windows-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        with:
+          persist-credentials: false
 
       - name: Setup Rust toolchain
         uses: ./.github/actions/setup-builder
 
       - name: Cache Rust artifacts
-        uses: swatinem/rust-cache@v2
+        uses: swatinem/rust-cache@e18b497796c12c097a38f9edb9d0641fb99eee32 # v2
 
       - name: Build
         run: cargo build -p iceberg --no-default-features
@@ -138,24 +144,26 @@ jobs:
           - { name: "doc", args: "--doc --all-features --workspace" }
     name: Tests (${{ matrix.test-suite.name }})
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        with:
+          persist-credentials: false
 
       - name: Setup Rust toolchain
         uses: ./.github/actions/setup-builder
 
       - name: Install protoc
-        uses: arduino/setup-protoc@v3
+        uses: arduino/setup-protoc@c65c819552d16ad3c9b72d9dfd5ba5237b9c906b # v3
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Cache Rust artifacts
-        uses: swatinem/rust-cache@v2
+        uses: swatinem/rust-cache@e18b497796c12c097a38f9edb9d0641fb99eee32 # v2
         with:
           key: ${{ matrix.test-suite.name }}
 
       - name: Install cargo-nextest
         if: matrix.test-suite.name == 'default'
-        uses: taiki-e/install-action@v2
+        uses: taiki-e/install-action@0fde6d128a3d980ceac30be8c8b8739abd963b81 # v2.70.0
         with:
           tool: cargo-nextest
 
@@ -182,9 +190,11 @@ jobs:
     name: Verify MSRV
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        with:
+          persist-credentials: false
       - name: Install protoc
-        uses: arduino/setup-protoc@v3
+        uses: arduino/setup-protoc@c65c819552d16ad3c9b72d9dfd5ba5237b9c906b # v3
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Get MSRV
diff --git a/.github/workflows/ci_typos.yml b/.github/workflows/ci_typos.yml
index 8031cd8ca9..9373c7295d 100644
--- a/.github/workflows/ci_typos.yml
+++ b/.github/workflows/ci_typos.yml
@@ -43,6 +43,8 @@ jobs:
     env:
       FORCE_COLOR: 1
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        with:
+          persist-credentials: false
       - name: Check typos
-        uses: crate-ci/typos@v1.44.0
+        uses: crate-ci/typos@631208b7aac2daa8b707f55e7331f9112b0e062d # v1.44.0
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 75c10c7eaf..81bc6b16f8 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -46,11 +46,11 @@ jobs:
         persist-credentials: false
 
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@d4b3ca9fa7f69d38bfcd667bdc45bc373d16277e # v4
+      uses: github/codeql-action/init@c10b8064de6f491fea524254123dbe5e09572f13 # v4
       with:
         languages: actions
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@d4b3ca9fa7f69d38bfcd667bdc45bc373d16277e # v4
+      uses: github/codeql-action/analyze@c10b8064de6f491fea524254123dbe5e09572f13 # v4
       with:
         category: "/language:actions"
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 26f61118b7..d6ba35d9f4 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -32,6 +32,7 @@ permissions:
 jobs:
   publish:
     runs-on: ubuntu-latest
+    environment: publish
     strategy:
       max-parallel: 1 # Publish package one by one instead of flooding the registry
       matrix:
@@ -46,7 +47,9 @@ jobs:
           - "crates/catalog/sql"
           - "crates/integrations/datafusion"
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        with:
+          persist-credentials: false
 
       - name: Get MSRV
         id: get-msrv
@@ -61,6 +64,18 @@ jobs:
         working-directory: ${{ matrix.package }}
         # Only publish if it's a tag and the tag is not a pre-release
         if: ${{ startsWith(github.ref, 'refs/tags/') && !contains(github.ref, '-') }}
-        run: cargo publish --all-features
+        run: cargo publish --all-features # zizmor: ignore[use-trusted-publishing] -- https://github.com/apache/iceberg-rust/issues/1539
         env:
           CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
+
+  # Trigger Python release after crate publishing completes.
+  # Only runs for tag pushes; for manual Python releases, use workflow_dispatch on release_python.yml directly.
+  release-python:
+    needs: [publish]
+    if: ${{ startsWith(github.ref, 'refs/tags/') }}
+    permissions:
+      contents: read
+      id-token: write # Required for PyPI trusted publishing in the called workflow
+    uses: ./.github/workflows/release_python.yml
+    with:
+      release_tag: ${{ github.ref_name }}
diff --git a/.github/workflows/release_python.yml b/.github/workflows/release_python.yml
index abf8b52b6d..d9fcdd406b 100644
--- a/.github/workflows/release_python.yml
+++ b/.github/workflows/release_python.yml
@@ -18,10 +18,12 @@
 name: Publish Python 🐍 distribution 📦 to PyPI
 
 on:
-  workflow_run:
-    workflows: ["Publish"] # Trigger this workflow after the "publish.yml" workflow completes
-    types:
-      - completed
+  workflow_call:
+    inputs:
+      release_tag:
+        description: 'Release tag (e.g., v0.4.0 or v0.4.0-rc.1)'
+        required: true
+        type: string
   workflow_dispatch:
     inputs:
       release_tag:
@@ -33,37 +35,23 @@ permissions:
   contents: read
 
 jobs:
-  check-cargo-publish:
-    runs-on: ubuntu-latest
-    # Only run if the triggering workflow succeeded OR if manually triggered
-    if: ${{ github.event.workflow_run.conclusion == 'success' || github.event_name == 'workflow_dispatch' }}
-    steps:
-      - run: echo 'The Publish workflow passed or was manually triggered'
-
   validate-release-tag:
     runs-on: ubuntu-latest
-    needs: [check-cargo-publish]
     outputs:
       cargo-version: ${{ steps.validate.outputs.cargo-version }}
       is-rc: ${{ steps.validate.outputs.is-rc }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
         if: ${{ github.event_name == 'workflow_dispatch' }}
+        with:
+          persist-credentials: false
 
       - name: Validate release tag format
         id: validate
-        # Use input for workflow_dispatch, otherwise use `workflow_run.head_branch`
-        # Note, `workflow_run.head_branch` does not contain `refs/tags/` prefix, just the tag name, i.e. `v0.4.0` or `v0.4.0-rc.1`
         # Valid formats: v<major>.<minor>.<patch> OR v<major>.<minor>.<patch>-rc.<release_candidate>
         env:
-          DISPATCH_RELEASE_TAG: ${{ github.event.inputs.release_tag }}
-          RUN_HEAD_BRANCH: ${{ github.event.workflow_run.head_branch }}
+          RELEASE_TAG: ${{ inputs.release_tag }}
         run: |
-          if [ "${{ github.event_name }}" == "workflow_dispatch" ]; then
-            RELEASE_TAG="$DISPATCH_RELEASE_TAG"
-          else
-            RELEASE_TAG="$RUN_HEAD_BRANCH"
-          fi
           echo "Validating release tag: $RELEASE_TAG"
           if [[ ! "$RELEASE_TAG" =~ ^v[0-9]+\.[0-9]+\.[0-9]+(-rc\.[0-9]+)?$ ]]; then
             echo "❌ Invalid release tag format: $RELEASE_TAG"
@@ -114,7 +102,9 @@ jobs:
     runs-on: ubuntu-latest
     needs: [validate-release-tag]
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        with:
+          persist-credentials: false
 
       - name: Install toml-cli
         if: ${{ needs.validate-release-tag.outputs.is-rc == 'true' }}
@@ -124,19 +114,21 @@ jobs:
         if: ${{ needs.validate-release-tag.outputs.is-rc == 'true' }}
         working-directory: "bindings/python"
         run: |
-          echo "Setting cargo version to: ${{ needs.validate-release-tag.outputs.cargo-version }}"
-          toml set Cargo.toml package.version ${{ needs.validate-release-tag.outputs.cargo-version }} > Cargo.toml.tmp
+          echo "Setting cargo version to: ${NEEDS_VALIDATE_RELEASE_TAG_OUTPUTS_CARGO_VERSION}"
+          toml set Cargo.toml package.version "${NEEDS_VALIDATE_RELEASE_TAG_OUTPUTS_CARGO_VERSION}" > Cargo.toml.tmp
           # doing this explicitly to avoid issue in Windows where `mv` does not overwrite existing file
           rm Cargo.toml
           mv Cargo.toml.tmp Cargo.toml
+        env:
+          NEEDS_VALIDATE_RELEASE_TAG_OUTPUTS_CARGO_VERSION: ${{ needs.validate-release-tag.outputs.cargo-version }}
 
-      - uses: PyO3/maturin-action@v1
+      - uses: PyO3/maturin-action@04ac600d27cdf7a9a280dadf7147097c42b757ad # v1
         with:
           working-directory: "bindings/python"
           command: sdist
           args: -o dist
       - name: Upload sdist
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7
         with:
           name: wheels-sdist
           path: bindings/python/dist
@@ -158,7 +150,9 @@ jobs:
             }
           - { os: ubuntu-latest, target: "armv7l" }
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        with:
+          persist-credentials: false
 
       - name: Install toml-cli
         if: ${{ needs.validate-release-tag.outputs.is-rc == 'true' }}
@@ -167,14 +161,16 @@ jobs:
       - name: Set cargo version for RC
         if: ${{ needs.validate-release-tag.outputs.is-rc == 'true' }}
         working-directory: "bindings/python"
+        env:
+          CARGO_VERSION: ${{ needs.validate-release-tag.outputs.cargo-version }}
         run: |
-          echo "Setting cargo version to: ${{ needs.validate-release-tag.outputs.cargo-version }}"
-          toml set Cargo.toml package.version ${{ needs.validate-release-tag.outputs.cargo-version }} > Cargo.toml.tmp
+          echo "Setting cargo version to: $CARGO_VERSION"
+          toml set Cargo.toml package.version "$CARGO_VERSION" > Cargo.toml.tmp
           # doing this explicitly to avoid issue in Windows where `mv` does not overwrite existing file
           rm Cargo.toml
           mv Cargo.toml.tmp Cargo.toml
 
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6
         with:
           python-version: 3.12
       - name: Get MSRV
@@ -185,7 +181,7 @@ jobs:
         uses: ./.github/actions/setup-builder
         with:
           rust-version: ${{ steps.get-msrv.outputs.msrv }}
-      - uses: PyO3/maturin-action@v1
+      - uses: PyO3/maturin-action@04ac600d27cdf7a9a280dadf7147097c42b757ad # v1
         with:
           target: ${{ matrix.target }}
           manylinux: ${{ matrix.manylinux || 'auto' }}
@@ -193,7 +189,7 @@ jobs:
           command: build
           args: --release -o dist -i python3.12 # Explicitly set interpreter; manylinux containers have multiple Pythons and maturin may pick an older one
       - name: Upload wheels
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7
         with:
           name: wheels-${{ matrix.os }}-${{ matrix.target }}
           path: bindings/python/dist
@@ -212,13 +208,13 @@ jobs:
 
     steps:
       - name: Download all the dists
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8
         with:
           pattern: wheels-*
           merge-multiple: true
           path: bindings/python/dist
       - name: Publish to PyPI
-        uses: pypa/gh-action-pypi-publish@release/v1
+        uses: pypa/gh-action-pypi-publish@ed0c53931b1dc9bd32cbe73a98c7f6766f8a527e # v1.13.0
         with:
           skip-existing: true
           packages-dir: bindings/python/dist
diff --git a/.github/workflows/release_python_nightly.yml b/.github/workflows/release_python_nightly.yml
index 595cb42d05..86e589acd6 100644
--- a/.github/workflows/release_python_nightly.yml
+++ b/.github/workflows/release_python_nightly.yml
@@ -40,20 +40,22 @@ jobs:
     if: github.repository == 'apache/iceberg-rust' # Only run for apache repo
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        with:
+          persist-credentials: false
 
       - uses: ./.github/actions/overwrite-package-version # Overwrite package version with timestamp
         with:
           timestamp: ${{ needs.set-version.outputs.TIMESTAMP }}
 
-      - uses: PyO3/maturin-action@v1
+      - uses: PyO3/maturin-action@04ac600d27cdf7a9a280dadf7147097c42b757ad # v1
         with:
           working-directory: "bindings/python"
           command: sdist
           args: -o dist
 
       - name: Upload sdist
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7
         with:
           name: wheels-sdist
           path: bindings/python/dist
@@ -76,13 +78,15 @@ jobs:
             }
           - { os: ubuntu-latest, target: "armv7l" }
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        with:
+          persist-credentials: false
 
       - uses: ./.github/actions/overwrite-package-version # Overwrite package version with timestamp
         with:
           timestamp: ${{ needs.set-version.outputs.TIMESTAMP }}
 
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6
         with:
           python-version: 3.12
 
@@ -95,7 +99,7 @@ jobs:
         with:
           rust-version: ${{ steps.get-msrv.outputs.msrv }}
 
-      - uses: PyO3/maturin-action@v1
+      - uses: PyO3/maturin-action@04ac600d27cdf7a9a280dadf7147097c42b757ad # v1
         with:
           target: ${{ matrix.target }}
           manylinux: ${{ matrix.manylinux || 'auto' }}
@@ -104,7 +108,7 @@ jobs:
           args: --release -o dist -i python3.12 # Explicitly set interpreter; manylinux containers have multiple Pythons and maturin may pick an older one
 
       - name: Upload wheels
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7
         with:
           name: wheels-${{ matrix.os }}-${{ matrix.target }}
           path: bindings/python/dist
@@ -122,7 +126,7 @@ jobs:
 
     steps:
       - name: Download all the dists
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8
         with:
           pattern: wheels-*
           merge-multiple: true
@@ -132,7 +136,7 @@ jobs:
       - name: Publish to TestPyPI
         id: publish-testpypi
         continue-on-error: true
-        uses: pypa/gh-action-pypi-publish@release/v1
+        uses: pypa/gh-action-pypi-publish@ed0c53931b1dc9bd32cbe73a98c7f6766f8a527e # v1.13.0
         with:
           repository-url: https://test.pypi.org/legacy/
           skip-existing: true
diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
index e2afce4c71..c3d3f18294 100644
--- a/.github/workflows/stale.yml
+++ b/.github/workflows/stale.yml
@@ -32,7 +32,7 @@ jobs:
     if: github.repository_owner == 'apache'
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/stale@v10.2.0
+      - uses: actions/stale@b5d41d4e1d5dceea10e7104786b73624c18a190f # v10.2.0
         with:
           # stale issues
           stale-issue-label: 'stale,security'
diff --git a/.github/workflows/website.yml b/.github/workflows/website.yml
index 59bd2c6f2c..71fb9503c9 100644
--- a/.github/workflows/website.yml
+++ b/.github/workflows/website.yml
@@ -39,15 +39,17 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        with:
+          persist-credentials: false
 
       - name: Setup mdBook
-        uses: peaceiris/actions-mdbook@v2
+        uses: peaceiris/actions-mdbook@ee69d230fe19748b7abf22df32acaa93833fad08 # v2
         with:
           mdbook-version: "0.4.36"
 
       - name: Install protoc
-        uses: arduino/setup-protoc@v3
+        uses: arduino/setup-protoc@c65c819552d16ad3c9b72d9dfd5ba5237b9c906b # v3
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
 
@@ -64,7 +66,7 @@ jobs:
           cp -r target/doc ./website/book/api
 
       - name: Deploy to gh-pages
-        uses: peaceiris/actions-gh-pages@v4.0.0
+        uses: peaceiris/actions-gh-pages@4f9cc6602d3f66b9c108549d475ec49e8ef4d45e # v4.0.0
         if: github.event_name == 'push' && github.ref_name == 'main'
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/zizmor.yml b/.github/workflows/zizmor.yml
new file mode 100644
index 0000000000..313835fcbe
--- /dev/null
+++ b/.github/workflows/zizmor.yml
@@ -0,0 +1,44 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+name: GitHub Actions Security Analysis with zizmor 🌈
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["**"]
+
+permissions: {}
+
+jobs:
+  zizmor:
+    name: Run zizmor 🌈
+    runs-on: ubuntu-latest
+    permissions: {}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+
+      - name: Run zizmor 🌈
+        uses: zizmorcore/zizmor-action@71321a20a9ded102f6e9ce5718a2fcec2c4f70d8 # v0.5.2
+        with:
+          advanced-security: false