diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f3d19036..79682564 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -63,7 +63,7 @@ jobs:
         node-version: ${{ matrix.node-version }}
         cache: npm
     - name: Manage Jest cache
-      uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
+      uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
       with:
         path: ${{ matrix.platform.jest-cache }}
         key: ${{ hashFiles('**/package-lock.json') }}
diff --git a/.github/workflows/conformance.yml b/.github/workflows/conformance.yml
index 15e2184e..3cb47a1f 100644
--- a/.github/workflows/conformance.yml
+++ b/.github/workflows/conformance.yml
@@ -26,7 +26,7 @@ jobs:
       run: npm ci
     - name: Build sigstore-js
       run: npm run build
-    - uses: sigstore/sigstore-conformance@fd90e6b0f3046f2276a6659481de6df495dea3b9 # v0.0.18
+    - uses: sigstore/sigstore-conformance@244638a7a138ae9f6106cfe2d44a698eccd3bef7 # v0.0.21
       with:
         entrypoint: ${{ github.workspace }}/packages/conformance/bin/run
 
@@ -45,7 +45,7 @@ jobs:
       run: npm ci
     - name: Build sigstore-js
       run: npm run build
-    - uses: sigstore/sigstore-conformance@fd90e6b0f3046f2276a6659481de6df495dea3b9 # v0.0.18
+    - uses: sigstore/sigstore-conformance@244638a7a138ae9f6106cfe2d44a698eccd3bef7 # v0.0.21
       with:
         entrypoint: ${{ github.workspace }}/packages/conformance/bin/run
         environment: staging
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 0e3be934..3334ed67 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -37,7 +37,7 @@ jobs:
           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
@@ -67,6 +67,6 @@ jobs:
 
       # Upload the results to GitHub's code scanning dashboard.
       - name: "Upload to code-scanning"
-        uses: github/codeql-action/upload-sarif@d6bbdef45e766d081b84a2def353b0055f728d3e # v3.29.3
+        uses: github/codeql-action/upload-sarif@64d10c13136e1c5bce3e5fbde8d4906eeaafc885 # v3.30.6
         with:
           sarif_file: results.sarif