diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index bf43182..0aed44f 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -65,7 +65,7 @@ jobs:
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v4.37.7
+        uses: github/codeql-action/init@v4.37.9
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
@@ -92,6 +92,6 @@ jobs:
           echo '  make release'
           exit 1
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v4.37.7
+        uses: github/codeql-action/analyze@v4.37.9
         with:
           category: "/language:${{matrix.language}}"
diff --git a/.github/workflows/push-email-notify.yml b/.github/workflows/push-email-notify.yml
index 360340c..3420fc5 100644
--- a/.github/workflows/push-email-notify.yml
+++ b/.github/workflows/push-email-notify.yml
@@ -17,7 +17,7 @@ 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 }}