diff --git a/src/storage/caas.js b/src/storage/caas.js
index 8a2ea363c..dc76a41f9 100644
--- a/src/storage/caas.js
+++ b/src/storage/caas.js
@@ -29,6 +29,7 @@ function getBackupCredentials(apiConfig, callback) {
         var credentials = {
             accessKeyId: result.body.credentials.AccessKeyId,
             secretAccessKey: result.body.credentials.SecretAccessKey,
+            sessionToken: result.body.credentials.SessionToken,
             region: apiConfig.region || 'us-east-1'
         };