diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 1f0db8b..f3cd899 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -41,12 +41,12 @@ jobs:
         uses: actions/checkout@v7.0.1
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v4.37.9
+        uses: github/codeql-action/init@v4.38.0
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v4.37.9
+        uses: github/codeql-action/analyze@v4.38.0
         with:
           category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/rust-ci.yml b/.github/workflows/rust-ci.yml
index 58a4241..eeccc62 100644
--- a/.github/workflows/rust-ci.yml
+++ b/.github/workflows/rust-ci.yml
@@ -84,7 +84,7 @@ jobs:
     timeout-minutes: 60
     steps:
       - uses: actions/checkout@v7.0.1
-      - uses: taiki-e/install-action@v2.87.3
+      - uses: taiki-e/install-action@v2.87.12
         with:
           tool: cargo-deny
       - run: cargo deny check advisories bans licenses sources
@@ -107,7 +107,7 @@ jobs:
       - uses: dtolnay/rust-toolchain@stable
         with:
           components: llvm-tools-preview
-      - uses: taiki-e/install-action@v2.87.3
+      - uses: taiki-e/install-action@v2.87.12
       - name: Generate lcov report
         run: cargo llvm-cov --workspace --lcov --output-path lcov.info
       - uses: codecov/codecov-action@v7.0.0
@@ -131,7 +131,7 @@ jobs:
     steps:
       - uses: actions/checkout@v7.0.1
       - uses: dtolnay/rust-toolchain@stable
-      - uses: taiki-e/install-action@v2.87.3
+      - uses: taiki-e/install-action@v2.87.12
         with:
           tool: cargo-mutants
       - name: Run mutation tests on core invariant crates
diff --git a/.github/workflows/security-scan.yml b/.github/workflows/security-scan.yml
index c0a7bc7..04fd3d9 100644
--- a/.github/workflows/security-scan.yml
+++ b/.github/workflows/security-scan.yml
@@ -39,6 +39,6 @@ jobs:
     #
     # Pin includes canonical .affine language detection and preserves
     # JSON.parseExn coverage after the ReScript-to-AffineScript migration.
-    uses: hyperpolymath/panic-attack/.github/workflows/scan-and-report.yml@540dbc72d23119b28a22251179c5938bca72109c # main 2026-08-24
+    uses: hyperpolymath/panic-attack/.github/workflows/scan-and-report.yml@2e043bb87e371d710cd4afcca0ea070b6d7c4252 # main 2026-08-24
     secrets:
       VERISIMDB_PAT: ${{ secrets.VERISIMDB_PAT }}