diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index a0cbe1a..1e7c1dc 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -39,15 +39,15 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Initialise CodeQL
-        uses: github/codeql-action/init@4e828ff8d448a8a6e532957b1811f387a63867e8 # v3.29.4
+        uses: github/codeql-action/init@7211b7c8077ea37d8641b6271f6a365a22a5fbfa # v4.36.0
         with:
           languages: ${{ matrix.language }}
           queries: security-and-quality
 
       - name: Analyse
-        uses: github/codeql-action/analyze@4e828ff8d448a8a6e532957b1811f387a63867e8 # v3.29.4
+        uses: github/codeql-action/analyze@7211b7c8077ea37d8641b6271f6a365a22a5fbfa # v4.36.0
         with:
           category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index b42009e..e2c76b8 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -37,16 +37,16 @@ jobs:
       url: ${{ steps.deployment.outputs.page_url }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Configure Pages
-        uses: actions/configure-pages@v5
+        uses: actions/configure-pages@v6
 
       - name: Upload tool/ as Pages artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v5
         with:
           path: ./tool
 
       - name: Deploy
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@v5
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 2d57a54..ea4298e 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -39,12 +39,12 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           persist-credentials: false
 
       - name: Run analysis
-        uses: ossf/scorecard-action@05b42c624433fc40578a4040d5cf5e36ddca8cde # v2.4.2
+        uses: ossf/scorecard-action@4eaacf0543bb3f2c246792bd56e8cdeffafb205a # v2.4.3
         with:
           results_file: results.sarif
           results_format: sarif
@@ -54,13 +54,13 @@ jobs:
           publish_results: true
 
       - name: Upload artifact
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: SARIF file
           path: results.sarif
           retention-days: 5
 
       - name: Upload to Security tab
-        uses: github/codeql-action/upload-sarif@4e828ff8d448a8a6e532957b1811f387a63867e8 # v3.29.4
+        uses: github/codeql-action/upload-sarif@7211b7c8077ea37d8641b6271f6a365a22a5fbfa # v4.36.0
         with:
           sarif_file: results.sarif
diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index bff6ee7..cf49cee 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -24,7 +24,7 @@ jobs:
     name: Validate CITATION.cff
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Validate CITATION.cff
         uses: citation-file-format/cffconvert-github-action@4cf11baa70a673bfdf9dad0acc7ee33b3f4b6084 # v2.0.0
         with:
@@ -34,9 +34,9 @@ jobs:
     name: Check markdown links
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Lychee link checker
-        uses: lycheeverse/lychee-action@1d97d84f0bc547f7b25f4c2170d87d810dc2fb2c # v2.6.1
+        uses: lycheeverse/lychee-action@8646ba30535128ac92d33dfc9133794bfdd9b411 # v2.6.1
         with:
           # Configuration lives in lychee.toml at the repo root. Args here
           # only point lychee at the markdown files to check; everything