diff --git a/.github/workflows/autofix.yml b/.github/workflows/autofix.yml
index c9fbcc4..dd92bd2 100644
--- a/.github/workflows/autofix.yml
+++ b/.github/workflows/autofix.yml
@@ -15,4 +15,4 @@ permissions:
 
 jobs:
   dependabot-bun-dedupe:
-    uses: stella/.github/.github/workflows/dependabot-bun-dedupe.yml@dd6e8fa51339814159486cd92b5ae3a051eb15d2
+    uses: stella/.github/.github/workflows/dependabot-bun-dedupe.yml@fb1e83fbc3fae39902da763ca7b2613090571717
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1504dde..77b3dff 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -217,7 +217,7 @@ jobs:
         # snapshot-hygiene gate, `cargo ci-snapshot`); avoids a from-source
         # compile on every CI run. taiki-e/install-action verifies release
         # checksums, unlike a raw `curl | tar`.
-        uses: taiki-e/install-action@b6b84cf49ebfe0176417bdce007c624f0db37f20 # v2.86.2
+        uses: taiki-e/install-action@d438492cf8a250514fa2d34b30bc3c0dc37c65ff # v2.87.8
         with:
           tool: nextest@0.9.140,cargo-deny@0.20.2,cargo-insta@1.48.0
 
diff --git a/.github/workflows/cla.yml b/.github/workflows/cla.yml
index 1daa833..53fe299 100644
--- a/.github/workflows/cla.yml
+++ b/.github/workflows/cla.yml
@@ -27,7 +27,7 @@ jobs:
           || github.event.comment.body == 'I have read the CLA Document and I hereby sign the CLA'
         )
       )
-    uses: stella/.github/.github/workflows/cla.yml@48aacae31829ce15216a6b766b03a92fd2e84da3
+    uses: stella/.github/.github/workflows/cla.yml@fb1e83fbc3fae39902da763ca7b2613090571717
     with:
       allowlist: dependabot[bot],renovate[bot],github-actions[bot],google-labs-jules[bot],cursoragent
     secrets:
diff --git a/.github/workflows/mutants.yml b/.github/workflows/mutants.yml
index 8b9ec1b..7af4712 100644
--- a/.github/workflows/mutants.yml
+++ b/.github/workflows/mutants.yml
@@ -34,7 +34,7 @@ jobs:
       - name: Install pinned Rust tools (checksum-verified)
         # nextest is the test runner used by cargo-mutants. taiki-e/install-action
         # verifies release checksums, unlike a raw `curl | tar`.
-        uses: taiki-e/install-action@b6b84cf49ebfe0176417bdce007c624f0db37f20 # v2.86.2
+        uses: taiki-e/install-action@d438492cf8a250514fa2d34b30bc3c0dc37c65ff # v2.87.8
         with:
           tool: nextest@0.9.140,cargo-mutants@27.1.0
 
diff --git a/.github/workflows/quarantine-policy.yml b/.github/workflows/quarantine-policy.yml
index bbac3ff..c1076d4 100644
--- a/.github/workflows/quarantine-policy.yml
+++ b/.github/workflows/quarantine-policy.yml
@@ -13,4 +13,4 @@ jobs:
     if: github.repository == 'stella/stdnum'
     permissions:
       contents: read
-    uses: stella/.github/.github/workflows/quarantine-policy.yml@9e1915536efc226c5ec9d3ca0f2192be5aa6ec7e
+    uses: stella/.github/.github/workflows/quarantine-policy.yml@fb1e83fbc3fae39902da763ca7b2613090571717
diff --git a/.github/workflows/quarantine-prune.yml b/.github/workflows/quarantine-prune.yml
index 711b70c..a9a9990 100644
--- a/.github/workflows/quarantine-prune.yml
+++ b/.github/workflows/quarantine-prune.yml
@@ -13,7 +13,7 @@ jobs:
     if: github.repository == 'stella/stdnum'
     permissions:
       contents: read
-    uses: stella/.github/.github/workflows/quarantine-prune.yml@9e1915536efc226c5ec9d3ca0f2192be5aa6ec7e
+    uses: stella/.github/.github/workflows/quarantine-prune.yml@fb1e83fbc3fae39902da763ca7b2613090571717
     secrets:
       CHANGELOG_APP_ID: ${{ secrets.CHANGELOG_APP_ID }}
       CHANGELOG_APP_PRIVATE_KEY: ${{ secrets.CHANGELOG_APP_PRIVATE_KEY }}
diff --git a/.github/workflows/release-policy.yml b/.github/workflows/release-policy.yml
index d8ced8f..2615b53 100644
--- a/.github/workflows/release-policy.yml
+++ b/.github/workflows/release-policy.yml
@@ -18,6 +18,6 @@ permissions:
 jobs:
   enforce:
     name: Enforce release boundaries
-    uses: stella/.github/.github/workflows/release-policy.yml@0f814e1a0c6c7401778e661209553b6e15f8d92a
+    uses: stella/.github/.github/workflows/release-policy.yml@fb1e83fbc3fae39902da763ca7b2613090571717
     permissions:
       contents: read
diff --git a/.github/workflows/release-pr.yml b/.github/workflows/release-pr.yml
index 14b64a4..fe25c06 100644
--- a/.github/workflows/release-pr.yml
+++ b/.github/workflows/release-pr.yml
@@ -15,7 +15,7 @@ jobs:
     name: Maintain version packages PR
     permissions:
       contents: read
-    uses: stella/.github/.github/workflows/changeset-release-pr.yml@c56b0c1d1e82f5e3fffa733a32b9a503a172ee35
+    uses: stella/.github/.github/workflows/changeset-release-pr.yml@fb1e83fbc3fae39902da763ca7b2613090571717
     with:
       bun-version-file: package.json
       sync-cargo-inherited-lock: true
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index add6aeb..64b6af8 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -331,7 +331,7 @@ jobs:
       id-token: write # Required only for PyPI trusted publishing.
     steps:
       - name: Prepare exact Python wheel set
-        uses: stella/.github/.github/actions/pypi-publish-hardened@0f814e1a0c6c7401778e661209553b6e15f8d92a
+        uses: stella/.github/.github/actions/pypi-publish-hardened@fb1e83fbc3fae39902da763ca7b2613090571717
         with:
           expected-version: ${{ needs.verify.outputs.version }}
           project-name: stella-stdnum
@@ -344,7 +344,7 @@ jobs:
           packages-dir: dist
           skip-existing: true
       - name: Verify published PyPI files
-        uses: stella/.github/.github/actions/pypi-publish-hardened/verify@0f814e1a0c6c7401778e661209553b6e15f8d92a
+        uses: stella/.github/.github/actions/pypi-publish-hardened/verify@fb1e83fbc3fae39902da763ca7b2613090571717
         with:
           expected-version: ${{ needs.verify.outputs.version }}
           project-name: stella-stdnum
@@ -354,7 +354,7 @@ jobs:
     needs:
       [verify, pack-native, pack-portable, publish-pypi]
     if: github.ref == 'refs/heads/main' && (needs.verify.outputs.publish == 'true')
-    uses: stella/.github/.github/workflows/npm-version-finalize.yml@0f814e1a0c6c7401778e661209553b6e15f8d92a
+    uses: stella/.github/.github/workflows/npm-version-finalize.yml@fb1e83fbc3fae39902da763ca7b2613090571717
     with:
       package-files: |
         packages/stdnum/package.json
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index e0dde25..6feab60 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -30,6 +30,6 @@ jobs:
           publish_results: true
 
       - name: Upload SARIF to GitHub Security tab
-        uses: github/codeql-action/upload-sarif@ff2f1c621b7f889edc0d3c761ac2e6a3f8cdb0dd # v4.37.7
+        uses: github/codeql-action/upload-sarif@cdf488f595d80d6e07e03d4674febd5ab45fa938 # v4.37.9
         with:
           sarif_file: results.sarif