diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 24cf5aa..af373ed 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -39,12 +39,12 @@ jobs:
         uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@99df26d4f13ea111d4ec1a7dddef6063f76b97e9 # v3
+        uses: github/codeql-action/init@7188fc363630916deb702c7fdcf4e481b751f97a # v3
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@99df26d4f13ea111d4ec1a7dddef6063f76b97e9 # v3
+        uses: github/codeql-action/analyze@7188fc363630916deb702c7fdcf4e481b751f97a # v3
         with:
           category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/dogfood-gate.yml b/.github/workflows/dogfood-gate.yml
index 6db05be..0c80de9 100644
--- a/.github/workflows/dogfood-gate.yml
+++ b/.github/workflows/dogfood-gate.yml
@@ -45,7 +45,7 @@ jobs:
 
       - name: Validate A2ML manifests
         if: steps.detect.outputs.count > 0
-        uses: hyperpolymath/a2ml-validate-action@6bff6ec134fc977e86d25166a5c522ddea5c1e78 # main
+        uses: hyperpolymath/a2ml-validate-action@55e8c28bab4e7f2399fdbd57a6da1051369f3847 # main
         with:
           path: '.'
           strict: 'false'
@@ -94,7 +94,7 @@ jobs:
 
       - name: Validate K9 contracts
         if: steps.detect.outputs.k9_count > 0
-        uses: hyperpolymath/k9-validate-action@2d96f43c538964b097d159ed3a56ba5b5ceca227 # main
+        uses: hyperpolymath/k9-validate-action@7c3c0e9fa5165626e74ecce78109b3295b798b92 # main
         with:
           path: '.'
           strict: 'false'
diff --git a/.github/workflows/mvp-smoke.yml b/.github/workflows/mvp-smoke.yml
index d049dd2..249358e 100644
--- a/.github/workflows/mvp-smoke.yml
+++ b/.github/workflows/mvp-smoke.yml
@@ -39,7 +39,7 @@ jobs:
         uses: Swatinem/rust-cache@65012b490220f477f20ab979e35ae732e6de4e68 # v2
 
       - name: Install just
-        uses: taiki-e/install-action@c7eb1735f09259a5035e8e5d44b1406b1cddc0fb # v2.83.0
+        uses: taiki-e/install-action@ed67fa35ac944f3a9b33f12c4dd43b6f31a47e20 # v2.83.3
         with:
           # Governance R1 requires versioned family-tool pins
           # (just|must|trust|adjust|bust|dust|intend); bare `tool: just`
diff --git a/.github/workflows/s4-loop.yml b/.github/workflows/s4-loop.yml
index b8dc7b9..3fb23b8 100644
--- a/.github/workflows/s4-loop.yml
+++ b/.github/workflows/s4-loop.yml
@@ -39,7 +39,7 @@ jobs:
       - name: Cache Cargo
         uses: Swatinem/rust-cache@65012b490220f477f20ab979e35ae732e6de4e68 # v2
       - name: Install just
-        uses: taiki-e/install-action@c7eb1735f09259a5035e8e5d44b1406b1cddc0fb # v2.83.0
+        uses: taiki-e/install-action@ed67fa35ac944f3a9b33f12c4dd43b6f31a47e20 # v2.83.3
         with:
           tool: just@1.51.0
       - name: Install system dependencies
diff --git a/.github/workflows/security-scan.yml b/.github/workflows/security-scan.yml
index 0938dab..8c56067 100644
--- a/.github/workflows/security-scan.yml
+++ b/.github/workflows/security-scan.yml
@@ -20,6 +20,6 @@ permissions:
 
 jobs:
   scan:
-    uses: hyperpolymath/panic-attack/.github/workflows/scan-and-report.yml@4591649f42b16089a9b1d4eaf3bb2f780c23e8ac # main 2026-07-07 (skip dispatch without VERISIMDB_PAT)
+    uses: hyperpolymath/panic-attack/.github/workflows/scan-and-report.yml@485ca54610aa1ffc663639c5d43c39452f6897cc # main 2026-07-07 (skip dispatch without VERISIMDB_PAT)
     secrets:
       VERISIMDB_PAT: ${{ secrets.VERISIMDB_PAT }}