diff --git a/.github/workflows/actionlint.yaml b/.github/workflows/actionlint.yaml
index 4185ebd..a00c2f8 100644
--- a/.github/workflows/actionlint.yaml
+++ b/.github/workflows/actionlint.yaml
@@ -24,7 +24,7 @@ jobs:
     name: Action lint
     runs-on: ubuntu-latest
     steps:
-      - uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
+      - uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
         with:
           egress-policy: block
           allowed-endpoints: >
diff --git a/.github/workflows/build-scanner-audit.yaml b/.github/workflows/build-scanner-audit.yaml
index 1491a5b..1151baa 100644
--- a/.github/workflows/build-scanner-audit.yaml
+++ b/.github/workflows/build-scanner-audit.yaml
@@ -20,7 +20,7 @@ jobs:
       contents: read
 
     steps:
-      - uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
+      - uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
         with:
           egress-policy: audit
 
diff --git a/.github/workflows/regen-answers.yaml b/.github/workflows/regen-answers.yaml
index 3b77bef..b2df711 100644
--- a/.github/workflows/regen-answers.yaml
+++ b/.github/workflows/regen-answers.yaml
@@ -18,7 +18,7 @@ jobs:
       id-token: write # To gitsign and federate
 
     steps:
-    - uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
+    - uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
       with:
         egress-policy: audit
 
@@ -55,7 +55,7 @@ jobs:
         echo "create_pr_update=true" >> $GITHUB_OUTPUT
 
     # Configure signed commits
-    - uses: chainguard-dev/actions/setup-gitsign@061bc0e921116bde1470f51fb5c86d5318f16558 # v1.6.15
+    - uses: chainguard-dev/actions/setup-gitsign@c69a264ec2a5934c3186c618f368fc1c86f16cff # v1.6.19
       if: ${{ steps.check-diff.outputs.create_pr_update == 'true' }}
 
     # Based on usage in https://github.com/chainguard-dev/digestabot/blob/main/action.yml
diff --git a/.github/workflows/zizmor.yaml b/.github/workflows/zizmor.yaml
index 49fe93e..595102f 100644
--- a/.github/workflows/zizmor.yaml
+++ b/.github/workflows/zizmor.yaml
@@ -26,7 +26,7 @@ jobs:
       contents: read # Clone the repository
       security-events: write # Upload SARIF results to Code Scanning
     steps:
-      - uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
+      - uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
         with:
           egress-policy: block
           allowed-endpoints: >
@@ -41,4 +41,4 @@ jobs:
           persist-credentials: false
 
       - name: Run zizmor
-        uses: zizmorcore/zizmor-action@b1d7e1fb5de872772f31590499237e7cce841e8e # v0.5.3
+        uses: zizmorcore/zizmor-action@5f14fd08f7cf1cb1609c1e344975f152c7ee938d # v0.5.6