diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index ca87a66..844d92d 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -12,7 +12,7 @@ jobs:
     if: github.event_name == 'pull_request'
     steps:
       - uses: actions/checkout@v4
-      - uses: dorny/paths-filter@v3
+      - uses: dorny/paths-filter@v4
         id: f
         with:
           filters: |
@@ -27,6 +27,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: DavidAnson/markdownlint-cli2-action@v16
+      - uses: DavidAnson/markdownlint-cli2-action@v24
       - uses: lycheeverse/lychee-action@v2
         with: { args: "--no-progress './**/*.md'" }
diff --git a/.github/workflows/estate-lint.yml b/.github/workflows/estate-lint.yml
index efafbac..4df25fc 100644
--- a/.github/workflows/estate-lint.yml
+++ b/.github/workflows/estate-lint.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with: { python-version: "3.12" }
       - name: estate-lint (7 structural checks; fail on error-level violations)
         run: python3 "${{ inputs.tools-dir }}/estate-lint.py"
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 1340e4c..82bc0e6 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,7 +16,7 @@ jobs:
   release-please:
     runs-on: ubuntu-latest
     steps:
-      - uses: googleapis/release-please-action@v4
+      - uses: googleapis/release-please-action@v5
         with:
           release-type: ${{ inputs.release-type }}
 # Note: for monorepos use manifest mode (.release-please-config.json).
diff --git a/.github/workflows/security-scan.yml b/.github/workflows/security-scan.yml
index df12ca5..3461503 100644
--- a/.github/workflows/security-scan.yml
+++ b/.github/workflows/security-scan.yml
@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v4
         with: { fetch-depth: 0 }
       - name: gitleaks (full history)
-        uses: gitleaks/gitleaks-action@v2
+        uses: gitleaks/gitleaks-action@v3
   sbom:
     runs-on: ubuntu-latest
     steps:
@@ -22,5 +22,5 @@ jobs:
       - name: SBOM (CycloneDX) + vuln scan
         uses: anchore/sbom-action@v0
         with: { format: cyclonedx-json, artifact-name: sbom.cdx.json }
-      - uses: anchore/scan-action@v4
+      - uses: anchore/scan-action@v7
         with: { path: ".", fail-build: false }