diff --git a/src/DatadogLoggingService.js b/src/DatadogLoggingService.js
index 41403ec..77f8ad4 100644
--- a/src/DatadogLoggingService.js
+++ b/src/DatadogLoggingService.js
@@ -60,6 +60,8 @@ class DatadogLoggingService extends NewRelicLoggingService {
       sessionSampleRate: parseInt(process.env.DATADOG_SESSION_SAMPLE_RATE || 0, 10),
       sessionReplaySampleRate: parseInt(process.env.DATADOG_SESSION_REPLAY_SAMPLE_RATE || 0, 10),
       trackUserInteractions: true,
+      trackSessionAcrossSubdomains: true,
+      usePartitionedCrossSiteSessionCookie: true,
       trackResources: true,
       trackLongTasks: true,
       defaultPrivacyLevel: process.env.DATADOG_PRIVACY_LEVEL || 'mask-user-input',
@@ -69,6 +71,8 @@ class DatadogLoggingService extends NewRelicLoggingService {
       site: process.env.DATADOG_SITE || '',
       env: process.env.DATADOG_ENV || '',
       forwardErrorsToLogs: true,
+      trackSessionAcrossSubdomains: true,
+      usePartitionedCrossSiteSessionCookie: true,
       sessionSampleRate: parseInt(process.env.DATADOG_LOGS_SESSION_SAMPLE_RATE || 0, 10),
       service: process.env.DATADOG_SERVICE || '',
       version: datadogVersion,