diff --git a/.github/workflows/cache-refresh.yml b/.github/workflows/cache-refresh.yml
index 5ec32d2..a53b08a 100644
--- a/.github/workflows/cache-refresh.yml
+++ b/.github/workflows/cache-refresh.yml
@@ -20,7 +20,7 @@ jobs:
       matrix: ${{ steps.list.outputs.matrix }}
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@a90bcbc6539c36a85cdfeb73f7e2f433735f215b # v2.15.0
+        uses: step-security/harden-runner@fa2e9d605c4eeb9fcad4c99c224cee0c6c7f3594 # v2.16.0
         with:
           egress-policy: audit
       - name: list ccache entries
@@ -46,12 +46,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@a90bcbc6539c36a85cdfeb73f7e2f433735f215b # v2.15.0
+        uses: step-security/harden-runner@fa2e9d605c4eeb9fcad4c99c224cee0c6c7f3594 # v2.16.0
         with:
           egress-policy: audit
       - name: restore ccache
         id: restore
-        uses: actions/cache/restore@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.2
+        uses: actions/cache/restore@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.2
         with:
           path: ~/.cache/kernel-ccache
           key: "${{ matrix.entry.prefix }}-${{ github.run_id }}"
@@ -59,7 +59,7 @@ jobs:
             ${{ matrix.entry.prefix }}-
       - name: save ccache
         if: steps.restore.outputs.cache-matched-key != ''
-        uses: actions/cache/save@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.2
+        uses: actions/cache/save@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.2
         with:
           path: ~/.cache/kernel-ccache
           key: "${{ matrix.entry.prefix }}-${{ github.run_id }}"
diff --git a/.github/workflows/matrix.yml b/.github/workflows/matrix.yml
index 24d7ac7..0c8c387 100644
--- a/.github/workflows/matrix.yml
+++ b/.github/workflows/matrix.yml
@@ -71,7 +71,7 @@ jobs:
         with:
           submodules: recursive
       - name: install cosign
-        uses: sigstore/cosign-installer@ba7bc0a3fef59531c69a25acd34668d6d3fe6f22 # v4.1.0
+        uses: sigstore/cosign-installer@cad07c2e89fa2edd6e2d7bab4c1aa38e53f76003 # v4.1.1
       - name: docker setup linux-kernel-oci
         run: sudo python3 ./hack/build/docker-setup.py
       - name: docker setup buildx