diff --git a/server/util-server.js b/server/util-server.js
index 0b3fce15b..9d289d5dd 100644
--- a/server/util-server.js
+++ b/server/util-server.js
@@ -223,6 +223,8 @@ exports.mssqlQuery = function (connectionString, query) {
             resolve(result);
         }).catch(err => {
             reject(err);
+        }).finally(() => {
+            mssql.close();
         });
     });
 };