diff --git a/.github/workflows/repo-health-job.yml b/.github/workflows/repo-health-job.yml
index cbf61b7..98b1960 100644
--- a/.github/workflows/repo-health-job.yml
+++ b/.github/workflows/repo-health-job.yml
@@ -173,7 +173,7 @@ jobs:
           path: dashboards/dashboard.sqlite3
 
       - name: Send email on failure
-        uses: dawidd6/action-send-mail@42942bc2f8fba4e611b459a018967a6a7c78c68c # v17
+        uses: dawidd6/action-send-mail@94de994a9f6fffee200243214e17002e2920bb59 # v18
         if: ${{ failure() && inputs.ENABLE_EMAIL_ALERTS }}
         with:
           server_address: email-smtp.us-east-1.amazonaws.com
@@ -186,7 +186,7 @@ jobs:
           body: ${{ github.workflow }} in ${{ github.repository }} failed! For details, see https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}
 
       - name: Send email on success
-        uses: dawidd6/action-send-mail@42942bc2f8fba4e611b459a018967a6a7c78c68c # v17
+        uses: dawidd6/action-send-mail@94de994a9f6fffee200243214e17002e2920bb59 # v18
         if: ${{ success() && inputs.ENABLE_EMAIL_ALERTS && inputs.ENABLE_EMAIL_ALERTS_ON_SUCCESS }}
         with:
           server_address: email-smtp.us-east-1.amazonaws.com
diff --git a/.github/workflows/upgrade-python-requirements.yml b/.github/workflows/upgrade-python-requirements.yml
index ab7c1e5..c3cf081 100644
--- a/.github/workflows/upgrade-python-requirements.yml
+++ b/.github/workflows/upgrade-python-requirements.yml
@@ -159,7 +159,7 @@ jobs:
 
       - name: Send failure notification
         if: ${{ failure() && inputs.email_address && env.smtp_available == 'true' }}
-        uses: dawidd6/action-send-mail@42942bc2f8fba4e611b459a018967a6a7c78c68c # v17
+        uses: dawidd6/action-send-mail@94de994a9f6fffee200243214e17002e2920bb59 # v18
         with:
           server_address: email-smtp.us-east-1.amazonaws.com
           server_port: 465
@@ -172,7 +172,7 @@ jobs:
 
       - name: Send success notification
         if: ${{ inputs.send_success_notification && inputs.email_address && steps.createpullrequest.outputs.generated_pr && env.smtp_available == 'true' }}
-        uses: dawidd6/action-send-mail@42942bc2f8fba4e611b459a018967a6a7c78c68c # v17
+        uses: dawidd6/action-send-mail@94de994a9f6fffee200243214e17002e2920bb59 # v18
         with:
           server_address: email-smtp.us-east-1.amazonaws.com
           server_port: 465