diff --git a/.github/workflows/push-email-notify.yml b/.github/workflows/push-email-notify.yml
index b69c87f..fb48724 100644
--- a/.github/workflows/push-email-notify.yml
+++ b/.github/workflows/push-email-notify.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Send push notification email
-        uses: dawidd6/action-send-mail@v3.12.0
+        uses: dawidd6/action-send-mail@v18
         with:
           server_address: ${{ secrets.SMTP_HOST }}
           server_port: ${{ secrets.SMTP_PORT }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0864636..e693796 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -27,7 +27,7 @@ jobs:
         uses: actions/checkout@v7.0.1
 
       - name: Setup Racket
-        uses: Bogdanp/setup-racket@v1.9.1
+        uses: Bogdanp/setup-racket@v1.15
         with:
           version: ${{ matrix.racket-version }}
           # rackunit ships with the full Racket distribution (already present
@@ -80,7 +80,7 @@ jobs:
         uses: actions/checkout@v7.0.1
 
       - name: Setup Racket
-        uses: Bogdanp/setup-racket@v1.9.1
+        uses: Bogdanp/setup-racket@v1.15
         with:
           version: 'current'