diff --git a/.github/workflows/core-ci.yml b/.github/workflows/core-ci.yml
index fd129cc..b15f4d3 100644
--- a/.github/workflows/core-ci.yml
+++ b/.github/workflows/core-ci.yml
@@ -18,7 +18,7 @@ jobs:
       contents: read
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+        uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
         with:
           egress-policy: audit
 
@@ -51,7 +51,7 @@ jobs:
       contents: read
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+        uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
         with:
           egress-policy: audit
 
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index 6722177..1ca520b 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+        uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
         with:
           egress-policy: audit
 
diff --git a/.github/workflows/markdown-lint.yml b/.github/workflows/markdown-lint.yml
index ceba234..915adcc 100644
--- a/.github/workflows/markdown-lint.yml
+++ b/.github/workflows/markdown-lint.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+        uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
         with:
           egress-policy: audit
 
diff --git a/.github/workflows/release-dry-run.yml b/.github/workflows/release-dry-run.yml
index bdd6460..cdfe3fc 100644
--- a/.github/workflows/release-dry-run.yml
+++ b/.github/workflows/release-dry-run.yml
@@ -36,7 +36,7 @@ jobs:
       attestations: read
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+        uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
         with:
           egress-policy: audit
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5ade7ba..cd1f5f5 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -34,7 +34,7 @@ jobs:
       version: ${{ steps.get-version.outputs.version }}
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+        uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
         with:
           egress-policy: audit
 
@@ -102,7 +102,7 @@ jobs:
       contents: write
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+        uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
         with:
           egress-policy: audit
 
@@ -126,7 +126,7 @@ jobs:
           ls -la
 
       - name: Create GitHub Release
-        uses: step-security/action-gh-release@277bfa82abcfdb73e5bbb19e213fd76532ee2be5 # v3.0.0
+        uses: step-security/action-gh-release@d2093dbdaf0c6507874908247e14bbc4dee6a72d # v3.0.1
         with:
           name: "Release ${{ github.ref_name }}"
           draft: ${{ inputs.draft || false }}
diff --git a/.github/workflows/reusable-rust-release-build.yml b/.github/workflows/reusable-rust-release-build.yml
index cba0c5c..997927f 100644
--- a/.github/workflows/reusable-rust-release-build.yml
+++ b/.github/workflows/reusable-rust-release-build.yml
@@ -46,7 +46,7 @@ jobs:
       checksums-path: ${{ steps.generate-checksums.outputs.checksums-path }}
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+        uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
         with:
           egress-policy: audit
 
@@ -121,7 +121,7 @@ jobs:
       sbom-path: ${{ steps.generate-sbom.outputs.sbom-path }}
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+        uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
         with:
           egress-policy: audit
 
@@ -145,13 +145,13 @@ jobs:
           output-file: dist/wibble-client-core.spdx.json
 
       - name: Attest provenance
-        uses: actions/attest@a1948c3f048ba23858d222213b7c278aabede763 # v4.1.1
+        uses: actions/attest@f7c74d28b9d84cb8768d0b8ca14a4bac6ef463e6 # v4.2.0
         with:
           subject-checksums: dist/subject.checksums.txt
           show-summary: true
 
       - name: Attest SBOM
-        uses: actions/attest@a1948c3f048ba23858d222213b7c278aabede763 # v4.1.1
+        uses: actions/attest@f7c74d28b9d84cb8768d0b8ca14a4bac6ef463e6 # v4.2.0
         with:
           subject-checksums: dist/subject.checksums.txt
           sbom-path: dist/wibble-client-core.spdx.json
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index a33dc46..e395b94 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -34,7 +34,7 @@ jobs:
 
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+        uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
         with:
           egress-policy: audit
 
@@ -78,6 +78,6 @@ jobs:
       # Upload the results to GitHub's code scanning dashboard (optional).
       # Commenting out will disable upload of results to your repo's Code Scanning dashboard
       - name: "Upload to code-scanning"
-        uses: github/codeql-action/upload-sarif@8aad20d150bbac5944a9f9d289da16a4b0d87c1e # v4.36.2
+        uses: github/codeql-action/upload-sarif@7188fc363630916deb702c7fdcf4e481b751f97a # v4.37.1
         with:
           sarif_file: results.sarif
diff --git a/.github/workflows/verify-release.yml b/.github/workflows/verify-release.yml
index e0f38db..55f7015 100644
--- a/.github/workflows/verify-release.yml
+++ b/.github/workflows/verify-release.yml
@@ -33,7 +33,7 @@ jobs:
       attestations: read
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+        uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
         with:
           egress-policy: audit
 
@@ -119,7 +119,7 @@ jobs:
       contents: read
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+        uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
         with:
           egress-policy: audit