diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index e75cccf2..826f635f 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -42,11 +42,11 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v7.0.1
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v4.37.6
+        uses: github/codeql-action/init@v4.37.9
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v4.37.6
+        uses: github/codeql-action/analyze@v4.37.9
         with:
           category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/hypatia-scan.yml b/.github/workflows/hypatia-scan.yml
index ad50d447..cba184f0 100644
--- a/.github/workflows/hypatia-scan.yml
+++ b/.github/workflows/hypatia-scan.yml
@@ -235,7 +235,7 @@ jobs:
           always() && (github.event_name != 'pull_request' ||
 
            github.event.pull_request.head.repo.fork != true)
-        uses: github/codeql-action/upload-sarif@v4.37.6
+        uses: github/codeql-action/upload-sarif@v4.37.9
         with:
           sarif_file: hypatia.sarif
           # Distinct category so Hypatia results coexist with CodeQL's
diff --git a/.github/workflows/main-estate-audit.yml b/.github/workflows/main-estate-audit.yml
old mode 100755
new mode 100644
index 341bb552..213b1620
--- a/.github/workflows/main-estate-audit.yml
+++ b/.github/workflows/main-estate-audit.yml
@@ -13,7 +13,7 @@ jobs:
   estate-audit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4.4.0
+      - uses: actions/checkout@v7.0.1
       
       - name: Required Files Gate
         uses: hyperpolymath/cicd-suite/actions/required-files-check@main
diff --git a/.github/workflows/push-email-notify.yml b/.github/workflows/push-email-notify.yml
index f27f7315..f4555670 100644
--- a/.github/workflows/push-email-notify.yml
+++ b/.github/workflows/push-email-notify.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Send push notification email
-        uses: dawidd6/action-send-mail@v3.12.0
+        uses: dawidd6/action-send-mail@94de994a9f6fffee200243214e17002e2920bb59 # v18
         with:
           server_address: ${{ secrets.SMTP_HOST }}
           server_port: ${{ secrets.SMTP_PORT }}