diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 53957f2..d654d73 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -37,11 +37,11 @@ jobs:
       - name: Checkout
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@7188fc363630916deb702c7fdcf4e481b751f97a # v3
+        uses: github/codeql-action/init@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v3
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@7188fc363630916deb702c7fdcf4e481b751f97a # v3
+        uses: github/codeql-action/analyze@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v3
         with:
           category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/push-email-notify.yml b/.github/workflows/push-email-notify.yml
index 0816771..2a95f5d 100644
--- a/.github/workflows/push-email-notify.yml
+++ b/.github/workflows/push-email-notify.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Send push notification email
-        uses: dawidd6/action-send-mail@c50dc4cc848ade21f848990889906d804fae78c5 # pinned
+        uses: dawidd6/action-send-mail@12335b969ae3fb71bee5f2c6b829744261aec34c # pinned
         with:
           server_address: ${{ secrets.SMTP_HOST }}
           server_port: ${{ secrets.SMTP_PORT }}
diff --git a/.github/workflows/secret-scanner.yml b/.github/workflows/secret-scanner.yml
index 09bb92b..ca47863 100644
--- a/.github/workflows/secret-scanner.yml
+++ b/.github/workflows/secret-scanner.yml
@@ -24,7 +24,7 @@ jobs:
         with:
           fetch-depth: 0 # Full history for scanning
       - name: TruffleHog Secret Scan
-        uses: trufflesecurity/trufflehog@27b0417c16317ca9a472a9a8092acce143b49c55 # v3
+        uses: trufflesecurity/trufflehog@6f3c981e7b77f235fd2702dd74af25fc4b72bf11 # v3
         with:
           # The v3 action injects --fail automatically on pull_request events.
           # Passing --fail here triggers "flag 'fail' cannot be repeated".