diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index aa38854..b431c36 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -22,7 +22,7 @@ jobs:
         uses: "google-github-actions/deploy-cloud-functions@v1"
         with:
           name: "projects/greg-finley/locations/us-central1/functions/check-oldest-living-person"
-          runtime: "python311"
+          runtime: "python312"
           entry_point: "main"
           source_dir: "oldest"
           memory_mb: 512
diff --git a/oldest/main.py b/oldest/main.py
index 78fe06c..d4811bd 100644
--- a/oldest/main.py
+++ b/oldest/main.py
@@ -26,12 +26,10 @@ class KnownBirthdate:
 
 mysql_config = json.loads(os.environ["MYSQL_CONFIG"])
 mysql_client = MySQLdb.connect(
-    host=mysql_config["MYSQL_HOST"],
+    unix_socket=mysql_config["MYSQL_SOCKET"],
     user=mysql_config["MYSQL_USERNAME"],
     passwd=mysql_config["MYSQL_PASSWORD"],
     db=mysql_config["MYSQL_DATABASE"],
-    ssl_mode="VERIFY_IDENTITY",
-    ssl={"ca": os.environ.get("SSL_CERT_FILE", "/etc/ssl/certs/ca-certificates.crt")},
 )
 mysql_client.autocommit(True)