diff --git a/.github/workflows/auto-fix.yml b/.github/workflows/auto-fix.yml
index 4f4892e..00443dc 100644
--- a/.github/workflows/auto-fix.yml
+++ b/.github/workflows/auto-fix.yml
@@ -41,7 +41,7 @@ jobs:
       actions: read  # download-artifact reads the triggering run's artifacts
     steps:
       - name: Harden the runner
-        uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40  # v2.20.1
+        uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c  # v2.21.0
         with:
           egress-policy: audit
 
diff --git a/.github/workflows/dependabot-auto-merge.yml b/.github/workflows/dependabot-auto-merge.yml
index e776a1c..cad319f 100644
--- a/.github/workflows/dependabot-auto-merge.yml
+++ b/.github/workflows/dependabot-auto-merge.yml
@@ -32,7 +32,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Harden the runner
-        uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40  # v2.20.1
+        uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c  # v2.21.0
         with:
           egress-policy: audit
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 7884851..a3db9ce 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -33,7 +33,7 @@ jobs:
       tag: ${{ steps.release.outputs.tag }}
     steps:
       - name: Harden the runner
-        uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40  # v2.20.1
+        uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c  # v2.21.0
         with:
           egress-policy: audit
 
@@ -74,7 +74,7 @@ jobs:
       attestations: write
     steps:
       - name: Harden the runner
-        uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40  # v2.20.1
+        uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c  # v2.21.0
         with:
           egress-policy: audit
 
@@ -85,7 +85,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@ae62891fec2bb8e7d6c99fc78c9fec3a63790f8d  # v10.0.0
+        uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d  # v10.0.1
         with:
           version: "0.11.29"
           # No cache in the publish path — avoids a cache-poisoning vector where a
diff --git a/.github/workflows/security-scan.yml b/.github/workflows/security-scan.yml
index 0c331a3..9c5a528 100644
--- a/.github/workflows/security-scan.yml
+++ b/.github/workflows/security-scan.yml
@@ -25,7 +25,7 @@ jobs:
       contents: read
     steps:
       - name: Harden the runner
-        uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40  # v2.20.1
+        uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c  # v2.21.0
         with:
           egress-policy: audit
 
@@ -35,7 +35,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@ae62891fec2bb8e7d6c99fc78c9fec3a63790f8d  # v10.0.0
+        uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d  # v10.0.1
         with:
           version: "0.11.29"
 
@@ -51,7 +51,7 @@ jobs:
         run: uv audit --preview-features audit
 
       - name: OSV-Scanner (repo-wide)
-        uses: google/osv-scanner-action/osv-scanner-action@8deb546fdb875b9996d27d4950be7312dac076a1  # v2.5.0
+        uses: google/osv-scanner-action/osv-scanner-action@6e4298ebc4db23e847df9b2e2de2939d6f066c67  # v2.5.1
         with:
           scan-args: |-
             --recursive
diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index dd083fc..1d8da44 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -27,7 +27,7 @@ jobs:
       contents: read
     steps:
       - name: Harden the runner
-        uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40  # v2.20.1
+        uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c  # v2.21.0
         with:
           egress-policy: audit
 
@@ -37,7 +37,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@ae62891fec2bb8e7d6c99fc78c9fec3a63790f8d  # v10.0.0
+        uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d  # v10.0.1
         with:
           version: "0.11.29"
 
@@ -62,7 +62,7 @@ jobs:
       contents: read
     steps:
       - name: Harden the runner
-        uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40  # v2.20.1
+        uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c  # v2.21.0
         with:
           egress-policy: audit
 
@@ -72,7 +72,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@ae62891fec2bb8e7d6c99fc78c9fec3a63790f8d  # v10.0.0
+        uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d  # v10.0.1
         with:
           version: "0.11.29"
           # gate owns the shared cache write; parallel saves race on the same key.
@@ -87,7 +87,7 @@ jobs:
         run: uv audit --preview-features audit
 
       - name: OSV-Scanner (repo-wide)
-        uses: google/osv-scanner-action/osv-scanner-action@8deb546fdb875b9996d27d4950be7312dac076a1  # v2.5.0
+        uses: google/osv-scanner-action/osv-scanner-action@6e4298ebc4db23e847df9b2e2de2939d6f066c67  # v2.5.1
         with:
           scan-args: |-
             --recursive
@@ -104,7 +104,7 @@ jobs:
       contents: read
     steps:
       - name: Harden the runner
-        uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40  # v2.20.1
+        uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c  # v2.21.0
         with:
           egress-policy: audit
 
@@ -162,7 +162,7 @@ jobs:
       contents: read
     steps:
       - name: Harden the runner
-        uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40  # v2.20.1
+        uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c  # v2.21.0
         with:
           egress-policy: audit
 
@@ -175,7 +175,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@ae62891fec2bb8e7d6c99fc78c9fec3a63790f8d  # v10.0.0
+        uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d  # v10.0.1
         with:
           version: "0.11.29"