diff --git a/.github/workflows/repo-health-job.yml b/.github/workflows/repo-health-job.yml
index 5054656..e0813d4 100644
--- a/.github/workflows/repo-health-job.yml
+++ b/.github/workflows/repo-health-job.yml
@@ -163,7 +163,7 @@ jobs:
           path: dashboards/dashboard.sqlite3
 
       - name: Send email on failure
-        uses: dawidd6/action-send-mail@v3
+        uses: dawidd6/action-send-mail@v4
         if: ${{ failure() && inputs.ENABLE_EMAIL_ALERTS }}
         with:
           server_address: email-smtp.us-east-1.amazonaws.com
@@ -176,7 +176,7 @@ 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@v3
+        uses: dawidd6/action-send-mail@v4
         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 66f16af..215df68 100644
--- a/.github/workflows/upgrade-python-requirements.yml
+++ b/.github/workflows/upgrade-python-requirements.yml
@@ -98,7 +98,7 @@ jobs:
 
       - name: Send failure notification
         if: ${{ failure() && inputs.email_address }}
-        uses: dawidd6/action-send-mail@v3
+        uses: dawidd6/action-send-mail@v4
         with:
           server_address: email-smtp.us-east-1.amazonaws.com
           server_port: 465
@@ -111,7 +111,7 @@ jobs:
 
       - name: Send success notification
         if: ${{ inputs.send_success_notification && inputs.email_address && steps.createpullrequest.outputs.generated_pr }}
-        uses: dawidd6/action-send-mail@v3
+        uses: dawidd6/action-send-mail@v4
         with:
           server_address: email-smtp.us-east-1.amazonaws.com
           server_port: 465