diff --git a/modules/openapi-generator/src/main/resources/cpp-qt5-client/HttpRequest.cpp.mustache b/modules/openapi-generator/src/main/resources/cpp-qt5-client/HttpRequest.cpp.mustache
index 6ec3d67bcae..57692b69d8a 100644
--- a/modules/openapi-generator/src/main/resources/cpp-qt5-client/HttpRequest.cpp.mustache
+++ b/modules/openapi-generator/src/main/resources/cpp-qt5-client/HttpRequest.cpp.mustache
@@ -44,12 +44,13 @@ void {{prefix}}HttpRequestInput::add_file(QString variable_name, QString local_f
     files.append(file);
 }
 
-{{prefix}}HttpRequestWorker::{{prefix}}HttpRequestWorker(QObject *parent)
-    : QObject(parent), manager(nullptr), timeOutTimer(this), isResponseCompressionEnabled(false), isRequestCompressionEnabled(false), httpResponseCode(-1) {
+{{prefix}}HttpRequestWorker::{{prefix}}HttpRequestWorker(QObject *parent, QNetworkAccessManager *_manager)
+    : QObject(parent), manager(_manager), timeOutTimer(this), isResponseCompressionEnabled(false), isRequestCompressionEnabled(false), httpResponseCode(-1) {
     qsrand(QDateTime::currentDateTime().toTime_t());
-    manager = new QNetworkAccessManager(this);
+    if (manager == nullptr) {
+        manager = new QNetworkAccessManager(this);
+    }
     workingDirectory = QDir::currentPath();
-    connect(manager, &QNetworkAccessManager::finished, this, &{{prefix}}HttpRequestWorker::on_manager_finished);
     timeOutTimer.setSingleShot(true);
 }
 
@@ -347,7 +348,7 @@ void {{prefix}}HttpRequestWorker::execute({{prefix}}HttpRequestInput *input) {
         reply = manager->deleteResource(request);
     } else {
 #if (QT_VERSION >= 0x050800)
-        manager->sendCustomRequest(request, input->http_method.toLatin1(), request_content);
+        reply = manager->sendCustomRequest(request, input->http_method.toLatin1(), request_content);
 #else
         QBuffer *buffer = new QBuffer;
         buffer->setData(request_content);
@@ -357,13 +358,21 @@ void {{prefix}}HttpRequestWorker::execute({{prefix}}HttpRequestInput *input) {
         buffer->setParent(reply);
 #endif
     }
+    if (reply != nullptr) {
+        reply->setParent(this);
+        connect(reply, &QNetworkReply::finished, [this, reply] {
+            on_reply_finished(reply);
+        });
+    }
     if (timeOutTimer.interval() > 0) {
-        QObject::connect(&timeOutTimer, &QTimer::timeout, [=]() { on_manager_timeout(reply); });
+        QObject::connect(&timeOutTimer, &QTimer::timeout, [this, reply] {
+            on_reply_timeout(reply);
+        });
         timeOutTimer.start();
     }
 }
 
-void {{prefix}}HttpRequestWorker::on_manager_finished(QNetworkReply *reply) {
+void {{prefix}}HttpRequestWorker::on_reply_finished(QNetworkReply *reply) {
     bool codeSts = false;
     if(timeOutTimer.isActive()) {
         QObject::disconnect(&timeOutTimer, &QTimer::timeout, nullptr, nullptr);
@@ -387,11 +396,11 @@ void {{prefix}}HttpRequestWorker::on_manager_finished(QNetworkReply *reply) {
     emit on_execution_finished(this);
 }
 
-void {{prefix}}HttpRequestWorker::on_manager_timeout(QNetworkReply *reply) {
+void {{prefix}}HttpRequestWorker::on_reply_timeout(QNetworkReply *reply) {
     error_type = QNetworkReply::TimeoutError;
     response = "";
     error_str = "Timed out waiting for response";
-    disconnect(manager, nullptr, nullptr, nullptr);
+    disconnect(reply, nullptr, nullptr, nullptr);
     reply->abort();
     reply->deleteLater();
     emit on_execution_finished(this);
diff --git a/modules/openapi-generator/src/main/resources/cpp-qt5-client/HttpRequest.h.mustache b/modules/openapi-generator/src/main/resources/cpp-qt5-client/HttpRequest.h.mustache
index efd35256885..e04b1eeb187 100644
--- a/modules/openapi-generator/src/main/resources/cpp-qt5-client/HttpRequest.h.mustache
+++ b/modules/openapi-generator/src/main/resources/cpp-qt5-client/HttpRequest.h.mustache
@@ -50,7 +50,7 @@ class {{prefix}}HttpRequestWorker : public QObject {
     Q_OBJECT
 
 public:
-    explicit {{prefix}}HttpRequestWorker(QObject *parent = nullptr);
+    explicit {{prefix}}HttpRequestWorker(QObject *parent = nullptr, QNetworkAccessManager *manager = nullptr);
     virtual ~{{prefix}}HttpRequestWorker();
 
     QByteArray response;
@@ -87,13 +87,11 @@ private:
     bool isRequestCompressionEnabled;
     int  httpResponseCode;
 
-    void on_manager_timeout(QNetworkReply *reply);
+    void on_reply_timeout(QNetworkReply *reply);
+    void on_reply_finished(QNetworkReply *reply);
     void process_response(QNetworkReply *reply);
     QByteArray decompress(const QByteArray& data);
     QByteArray compress(const QByteArray& input, int level, {{prefix}}CompressionType compressType);
- 
-private slots:
-    void on_manager_finished(QNetworkReply *reply);
 };
 
 {{#cppNamespaceDeclarations}}
diff --git a/modules/openapi-generator/src/main/resources/cpp-qt5-client/api-body.mustache b/modules/openapi-generator/src/main/resources/cpp-qt5-client/api-body.mustache
index ac4dbb88c09..b08cd6a9065 100644
--- a/modules/openapi-generator/src/main/resources/cpp-qt5-client/api-body.mustache
+++ b/modules/openapi-generator/src/main/resources/cpp-qt5-client/api-body.mustache
@@ -15,6 +15,7 @@ namespace {{this}} {
       _port(port),
       _basePath(basePath),
       _timeOut(timeOut),
+      _manager(nullptr),
       isResponseCompressionEnabled(false),
       isRequestCompressionEnabled(false) {}
 
@@ -45,6 +46,10 @@ void {{classname}}::setWorkingDirectory(const QString &path) {
     _workingDirectory = path;
 }
 
+void {{classname}}::setNetworkAccessManager(QNetworkAccessManager* manager) {
+    _manager = manager;  
+}
+
 void {{classname}}::addHeaders(const QString &key, const QString &value) {
     defaultHeaders.insert(key, value);
 }
@@ -120,7 +125,7 @@ void {{classname}}::{{nickname}}({{#allParams}}const {{{dataType}}} &{{paramName
         }
     }
 {{/collectionFormat}}{{/queryParams}}
-    {{prefix}}HttpRequestWorker *worker = new {{prefix}}HttpRequestWorker(this);
+    {{prefix}}HttpRequestWorker *worker = new {{prefix}}HttpRequestWorker(this, _manager);
     worker->setTimeOut(_timeOut);
     worker->setWorkingDirectory(_workingDirectory);{{#contentCompression}}
     worker->setResponseCompressionEnabled(isResponseCompressionEnabled);
diff --git a/modules/openapi-generator/src/main/resources/cpp-qt5-client/api-header.mustache b/modules/openapi-generator/src/main/resources/cpp-qt5-client/api-header.mustache
index 2768c2ee561..47598718160 100644
--- a/modules/openapi-generator/src/main/resources/cpp-qt5-client/api-header.mustache
+++ b/modules/openapi-generator/src/main/resources/cpp-qt5-client/api-header.mustache
@@ -8,6 +8,7 @@
 {{/imports}}
 
 #include <QObject>
+#include <QNetworkAccessManager>
 
 {{#cppNamespaceDeclarations}}
 namespace {{this}} {
@@ -26,6 +27,7 @@ public:
     void setBasePath(const QString &basePath);
     void setTimeOut(const int timeOut);
     void setWorkingDirectory(const QString &path);
+    void setNetworkAccessManager(QNetworkAccessManager* manager);
     void addHeaders(const QString &key, const QString &value);
     void enableRequestCompression();
     void enableResponseCompression();
@@ -39,6 +41,7 @@ private:
     QString _basePath;
     int _timeOut;
     QString _workingDirectory;
+    QNetworkAccessManager* _manager;
     QMap<QString, QString> defaultHeaders;
     bool isResponseCompressionEnabled;
     bool isRequestCompressionEnabled;
diff --git a/samples/client/petstore/cpp-qt5/client/PFXHttpRequest.cpp b/samples/client/petstore/cpp-qt5/client/PFXHttpRequest.cpp
index 746bd57086f..e92c99f4f02 100644
--- a/samples/client/petstore/cpp-qt5/client/PFXHttpRequest.cpp
+++ b/samples/client/petstore/cpp-qt5/client/PFXHttpRequest.cpp
@@ -51,12 +51,13 @@ void PFXHttpRequestInput::add_file(QString variable_name, QString local_filename
     files.append(file);
 }
 
-PFXHttpRequestWorker::PFXHttpRequestWorker(QObject *parent)
-    : QObject(parent), manager(nullptr), timeOutTimer(this), isResponseCompressionEnabled(false), isRequestCompressionEnabled(false), httpResponseCode(-1) {
+PFXHttpRequestWorker::PFXHttpRequestWorker(QObject *parent, QNetworkAccessManager *_manager)
+    : QObject(parent), manager(_manager), timeOutTimer(this), isResponseCompressionEnabled(false), isRequestCompressionEnabled(false), httpResponseCode(-1) {
     qsrand(QDateTime::currentDateTime().toTime_t());
-    manager = new QNetworkAccessManager(this);
+    if (manager == nullptr) {
+        manager = new QNetworkAccessManager(this);
+    }
     workingDirectory = QDir::currentPath();
-    connect(manager, &QNetworkAccessManager::finished, this, &PFXHttpRequestWorker::on_manager_finished);
     timeOutTimer.setSingleShot(true);
 }
 
@@ -354,7 +355,7 @@ void PFXHttpRequestWorker::execute(PFXHttpRequestInput *input) {
         reply = manager->deleteResource(request);
     } else {
 #if (QT_VERSION >= 0x050800)
-        manager->sendCustomRequest(request, input->http_method.toLatin1(), request_content);
+        reply = manager->sendCustomRequest(request, input->http_method.toLatin1(), request_content);
 #else
         QBuffer *buffer = new QBuffer;
         buffer->setData(request_content);
@@ -364,13 +365,21 @@ void PFXHttpRequestWorker::execute(PFXHttpRequestInput *input) {
         buffer->setParent(reply);
 #endif
     }
+    if (reply != nullptr) {
+        reply->setParent(this);
+        connect(reply, &QNetworkReply::finished, [this, reply] {
+            on_reply_finished(reply);
+        });
+    }
     if (timeOutTimer.interval() > 0) {
-        QObject::connect(&timeOutTimer, &QTimer::timeout, [=]() { on_manager_timeout(reply); });
+        QObject::connect(&timeOutTimer, &QTimer::timeout, [this, reply] {
+            on_reply_timeout(reply);
+        });
         timeOutTimer.start();
     }
 }
 
-void PFXHttpRequestWorker::on_manager_finished(QNetworkReply *reply) {
+void PFXHttpRequestWorker::on_reply_finished(QNetworkReply *reply) {
     bool codeSts = false;
     if(timeOutTimer.isActive()) {
         QObject::disconnect(&timeOutTimer, &QTimer::timeout, nullptr, nullptr);
@@ -394,11 +403,11 @@ void PFXHttpRequestWorker::on_manager_finished(QNetworkReply *reply) {
     emit on_execution_finished(this);
 }
 
-void PFXHttpRequestWorker::on_manager_timeout(QNetworkReply *reply) {
+void PFXHttpRequestWorker::on_reply_timeout(QNetworkReply *reply) {
     error_type = QNetworkReply::TimeoutError;
     response = "";
     error_str = "Timed out waiting for response";
-    disconnect(manager, nullptr, nullptr, nullptr);
+    disconnect(reply, nullptr, nullptr, nullptr);
     reply->abort();
     reply->deleteLater();
     emit on_execution_finished(this);
diff --git a/samples/client/petstore/cpp-qt5/client/PFXHttpRequest.h b/samples/client/petstore/cpp-qt5/client/PFXHttpRequest.h
index aa5743be304..2b1f1afe07c 100644
--- a/samples/client/petstore/cpp-qt5/client/PFXHttpRequest.h
+++ b/samples/client/petstore/cpp-qt5/client/PFXHttpRequest.h
@@ -58,7 +58,7 @@ class PFXHttpRequestWorker : public QObject {
     Q_OBJECT
 
 public:
-    explicit PFXHttpRequestWorker(QObject *parent = nullptr);
+    explicit PFXHttpRequestWorker(QObject *parent = nullptr, QNetworkAccessManager *manager = nullptr);
     virtual ~PFXHttpRequestWorker();
 
     QByteArray response;
@@ -95,13 +95,11 @@ private:
     bool isRequestCompressionEnabled;
     int  httpResponseCode;
 
-    void on_manager_timeout(QNetworkReply *reply);
+    void on_reply_timeout(QNetworkReply *reply);
+    void on_reply_finished(QNetworkReply *reply);
     void process_response(QNetworkReply *reply);
     QByteArray decompress(const QByteArray& data);
     QByteArray compress(const QByteArray& input, int level, PFXCompressionType compressType);
- 
-private slots:
-    void on_manager_finished(QNetworkReply *reply);
 };
 
 } // namespace test_namespace
diff --git a/samples/client/petstore/cpp-qt5/client/PFXPetApi.cpp b/samples/client/petstore/cpp-qt5/client/PFXPetApi.cpp
index 0d293c27d74..cb50dee94b2 100644
--- a/samples/client/petstore/cpp-qt5/client/PFXPetApi.cpp
+++ b/samples/client/petstore/cpp-qt5/client/PFXPetApi.cpp
@@ -23,6 +23,7 @@ PFXPetApi::PFXPetApi(const QString &scheme, const QString &host, int port, const
       _port(port),
       _basePath(basePath),
       _timeOut(timeOut),
+      _manager(nullptr),
       isResponseCompressionEnabled(false),
       isRequestCompressionEnabled(false) {}
 
@@ -53,6 +54,10 @@ void PFXPetApi::setWorkingDirectory(const QString &path) {
     _workingDirectory = path;
 }
 
+void PFXPetApi::setNetworkAccessManager(QNetworkAccessManager* manager) {
+    _manager = manager;  
+}
+
 void PFXPetApi::addHeaders(const QString &key, const QString &value) {
     defaultHeaders.insert(key, value);
 }
@@ -77,7 +82,7 @@ void PFXPetApi::addPet(const PFXPet &body) {
                            .arg(_basePath)
                            .arg("/pet");
 
-    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this);
+    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this, _manager);
     worker->setTimeOut(_timeOut);
     worker->setWorkingDirectory(_workingDirectory);
     PFXHttpRequestInput input(fullPath, "POST");
@@ -125,7 +130,7 @@ void PFXPetApi::deletePet(const qint64 &pet_id, const QString &api_key) {
     pet_idPathParam.append("petId").append("}");
     fullPath.replace(pet_idPathParam, QUrl::toPercentEncoding(::test_namespace::toStringValue(pet_id)));
 
-    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this);
+    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this, _manager);
     worker->setTimeOut(_timeOut);
     worker->setWorkingDirectory(_workingDirectory);
     PFXHttpRequestInput input(fullPath, "DELETE");
@@ -209,7 +214,7 @@ void PFXPetApi::findPetsByStatus(const QList<QString> &status) {
         }
     }
 
-    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this);
+    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this, _manager);
     worker->setTimeOut(_timeOut);
     worker->setWorkingDirectory(_workingDirectory);
     PFXHttpRequestInput input(fullPath, "GET");
@@ -299,7 +304,7 @@ void PFXPetApi::findPetsByTags(const QList<QString> &tags) {
         }
     }
 
-    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this);
+    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this, _manager);
     worker->setTimeOut(_timeOut);
     worker->setWorkingDirectory(_workingDirectory);
     PFXHttpRequestInput input(fullPath, "GET");
@@ -354,7 +359,7 @@ void PFXPetApi::getPetById(const qint64 &pet_id) {
     pet_idPathParam.append("petId").append("}");
     fullPath.replace(pet_idPathParam, QUrl::toPercentEncoding(::test_namespace::toStringValue(pet_id)));
 
-    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this);
+    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this, _manager);
     worker->setTimeOut(_timeOut);
     worker->setWorkingDirectory(_workingDirectory);
     PFXHttpRequestInput input(fullPath, "GET");
@@ -397,7 +402,7 @@ void PFXPetApi::updatePet(const PFXPet &body) {
                            .arg(_basePath)
                            .arg("/pet");
 
-    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this);
+    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this, _manager);
     worker->setTimeOut(_timeOut);
     worker->setWorkingDirectory(_workingDirectory);
     PFXHttpRequestInput input(fullPath, "PUT");
@@ -445,7 +450,7 @@ void PFXPetApi::updatePetWithForm(const qint64 &pet_id, const QString &name, con
     pet_idPathParam.append("petId").append("}");
     fullPath.replace(pet_idPathParam, QUrl::toPercentEncoding(::test_namespace::toStringValue(pet_id)));
 
-    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this);
+    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this, _manager);
     worker->setTimeOut(_timeOut);
     worker->setWorkingDirectory(_workingDirectory);
     PFXHttpRequestInput input(fullPath, "POST");
@@ -492,7 +497,7 @@ void PFXPetApi::uploadFile(const qint64 &pet_id, const QString &additional_metad
     pet_idPathParam.append("petId").append("}");
     fullPath.replace(pet_idPathParam, QUrl::toPercentEncoding(::test_namespace::toStringValue(pet_id)));
 
-    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this);
+    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this, _manager);
     worker->setTimeOut(_timeOut);
     worker->setWorkingDirectory(_workingDirectory);
     PFXHttpRequestInput input(fullPath, "POST");
diff --git a/samples/client/petstore/cpp-qt5/client/PFXPetApi.h b/samples/client/petstore/cpp-qt5/client/PFXPetApi.h
index 6ea632eb49d..aa85e82e34e 100644
--- a/samples/client/petstore/cpp-qt5/client/PFXPetApi.h
+++ b/samples/client/petstore/cpp-qt5/client/PFXPetApi.h
@@ -20,6 +20,7 @@
 #include <QString>
 
 #include <QObject>
+#include <QNetworkAccessManager>
 
 namespace test_namespace {
 
@@ -36,6 +37,7 @@ public:
     void setBasePath(const QString &basePath);
     void setTimeOut(const int timeOut);
     void setWorkingDirectory(const QString &path);
+    void setNetworkAccessManager(QNetworkAccessManager* manager);
     void addHeaders(const QString &key, const QString &value);
     void enableRequestCompression();
     void enableResponseCompression();
@@ -56,6 +58,7 @@ private:
     QString _basePath;
     int _timeOut;
     QString _workingDirectory;
+    QNetworkAccessManager* _manager;
     QMap<QString, QString> defaultHeaders;
     bool isResponseCompressionEnabled;
     bool isRequestCompressionEnabled;
diff --git a/samples/client/petstore/cpp-qt5/client/PFXStoreApi.cpp b/samples/client/petstore/cpp-qt5/client/PFXStoreApi.cpp
index 7b9b770c96d..d56512f6112 100644
--- a/samples/client/petstore/cpp-qt5/client/PFXStoreApi.cpp
+++ b/samples/client/petstore/cpp-qt5/client/PFXStoreApi.cpp
@@ -23,6 +23,7 @@ PFXStoreApi::PFXStoreApi(const QString &scheme, const QString &host, int port, c
       _port(port),
       _basePath(basePath),
       _timeOut(timeOut),
+      _manager(nullptr),
       isResponseCompressionEnabled(false),
       isRequestCompressionEnabled(false) {}
 
@@ -53,6 +54,10 @@ void PFXStoreApi::setWorkingDirectory(const QString &path) {
     _workingDirectory = path;
 }
 
+void PFXStoreApi::setNetworkAccessManager(QNetworkAccessManager* manager) {
+    _manager = manager;  
+}
+
 void PFXStoreApi::addHeaders(const QString &key, const QString &value) {
     defaultHeaders.insert(key, value);
 }
@@ -80,7 +85,7 @@ void PFXStoreApi::deleteOrder(const QString &order_id) {
     order_idPathParam.append("orderId").append("}");
     fullPath.replace(order_idPathParam, QUrl::toPercentEncoding(::test_namespace::toStringValue(order_id)));
 
-    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this);
+    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this, _manager);
     worker->setTimeOut(_timeOut);
     worker->setWorkingDirectory(_workingDirectory);
     PFXHttpRequestInput input(fullPath, "DELETE");
@@ -122,7 +127,7 @@ void PFXStoreApi::getInventory() {
                            .arg(_basePath)
                            .arg("/store/inventory");
 
-    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this);
+    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this, _manager);
     worker->setTimeOut(_timeOut);
     worker->setWorkingDirectory(_workingDirectory);
     PFXHttpRequestInput input(fullPath, "GET");
@@ -177,7 +182,7 @@ void PFXStoreApi::getOrderById(const qint64 &order_id) {
     order_idPathParam.append("orderId").append("}");
     fullPath.replace(order_idPathParam, QUrl::toPercentEncoding(::test_namespace::toStringValue(order_id)));
 
-    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this);
+    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this, _manager);
     worker->setTimeOut(_timeOut);
     worker->setWorkingDirectory(_workingDirectory);
     PFXHttpRequestInput input(fullPath, "GET");
@@ -220,7 +225,7 @@ void PFXStoreApi::placeOrder(const PFXOrder &body) {
                            .arg(_basePath)
                            .arg("/store/order");
 
-    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this);
+    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this, _manager);
     worker->setTimeOut(_timeOut);
     worker->setWorkingDirectory(_workingDirectory);
     PFXHttpRequestInput input(fullPath, "POST");
diff --git a/samples/client/petstore/cpp-qt5/client/PFXStoreApi.h b/samples/client/petstore/cpp-qt5/client/PFXStoreApi.h
index fc5e44d75bd..238338cd9c2 100644
--- a/samples/client/petstore/cpp-qt5/client/PFXStoreApi.h
+++ b/samples/client/petstore/cpp-qt5/client/PFXStoreApi.h
@@ -19,6 +19,7 @@
 #include <QString>
 
 #include <QObject>
+#include <QNetworkAccessManager>
 
 namespace test_namespace {
 
@@ -35,6 +36,7 @@ public:
     void setBasePath(const QString &basePath);
     void setTimeOut(const int timeOut);
     void setWorkingDirectory(const QString &path);
+    void setNetworkAccessManager(QNetworkAccessManager* manager);
     void addHeaders(const QString &key, const QString &value);
     void enableRequestCompression();
     void enableResponseCompression();
@@ -51,6 +53,7 @@ private:
     QString _basePath;
     int _timeOut;
     QString _workingDirectory;
+    QNetworkAccessManager* _manager;
     QMap<QString, QString> defaultHeaders;
     bool isResponseCompressionEnabled;
     bool isRequestCompressionEnabled;
diff --git a/samples/client/petstore/cpp-qt5/client/PFXUserApi.cpp b/samples/client/petstore/cpp-qt5/client/PFXUserApi.cpp
index a372b73dbcb..74060393b01 100644
--- a/samples/client/petstore/cpp-qt5/client/PFXUserApi.cpp
+++ b/samples/client/petstore/cpp-qt5/client/PFXUserApi.cpp
@@ -23,6 +23,7 @@ PFXUserApi::PFXUserApi(const QString &scheme, const QString &host, int port, con
       _port(port),
       _basePath(basePath),
       _timeOut(timeOut),
+      _manager(nullptr),
       isResponseCompressionEnabled(false),
       isRequestCompressionEnabled(false) {}
 
@@ -53,6 +54,10 @@ void PFXUserApi::setWorkingDirectory(const QString &path) {
     _workingDirectory = path;
 }
 
+void PFXUserApi::setNetworkAccessManager(QNetworkAccessManager* manager) {
+    _manager = manager;  
+}
+
 void PFXUserApi::addHeaders(const QString &key, const QString &value) {
     defaultHeaders.insert(key, value);
 }
@@ -77,7 +82,7 @@ void PFXUserApi::createUser(const PFXUser &body) {
                            .arg(_basePath)
                            .arg("/user");
 
-    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this);
+    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this, _manager);
     worker->setTimeOut(_timeOut);
     worker->setWorkingDirectory(_workingDirectory);
     PFXHttpRequestInput input(fullPath, "POST");
@@ -122,7 +127,7 @@ void PFXUserApi::createUsersWithArrayInput(const QList<PFXUser> &body) {
                            .arg(_basePath)
                            .arg("/user/createWithArray");
 
-    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this);
+    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this, _manager);
     worker->setTimeOut(_timeOut);
     worker->setWorkingDirectory(_workingDirectory);
     PFXHttpRequestInput input(fullPath, "POST");
@@ -168,7 +173,7 @@ void PFXUserApi::createUsersWithListInput(const QList<PFXUser> &body) {
                            .arg(_basePath)
                            .arg("/user/createWithList");
 
-    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this);
+    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this, _manager);
     worker->setTimeOut(_timeOut);
     worker->setWorkingDirectory(_workingDirectory);
     PFXHttpRequestInput input(fullPath, "POST");
@@ -217,7 +222,7 @@ void PFXUserApi::deleteUser(const QString &username) {
     usernamePathParam.append("username").append("}");
     fullPath.replace(usernamePathParam, QUrl::toPercentEncoding(::test_namespace::toStringValue(username)));
 
-    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this);
+    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this, _manager);
     worker->setTimeOut(_timeOut);
     worker->setWorkingDirectory(_workingDirectory);
     PFXHttpRequestInput input(fullPath, "DELETE");
@@ -262,7 +267,7 @@ void PFXUserApi::getUserByName(const QString &username) {
     usernamePathParam.append("username").append("}");
     fullPath.replace(usernamePathParam, QUrl::toPercentEncoding(::test_namespace::toStringValue(username)));
 
-    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this);
+    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this, _manager);
     worker->setTimeOut(_timeOut);
     worker->setWorkingDirectory(_workingDirectory);
     PFXHttpRequestInput input(fullPath, "GET");
@@ -317,7 +322,7 @@ void PFXUserApi::loginUser(const QString &username, const QString &password) {
         fullPath.append("?");
     fullPath.append(QUrl::toPercentEncoding("password")).append("=").append(QUrl::toPercentEncoding(::test_namespace::toStringValue(password)));
 
-    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this);
+    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this, _manager);
     worker->setTimeOut(_timeOut);
     worker->setWorkingDirectory(_workingDirectory);
     PFXHttpRequestInput input(fullPath, "GET");
@@ -361,7 +366,7 @@ void PFXUserApi::logoutUser() {
                            .arg(_basePath)
                            .arg("/user/logout");
 
-    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this);
+    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this, _manager);
     worker->setTimeOut(_timeOut);
     worker->setWorkingDirectory(_workingDirectory);
     PFXHttpRequestInput input(fullPath, "GET");
@@ -406,7 +411,7 @@ void PFXUserApi::updateUser(const QString &username, const PFXUser &body) {
     usernamePathParam.append("username").append("}");
     fullPath.replace(usernamePathParam, QUrl::toPercentEncoding(::test_namespace::toStringValue(username)));
 
-    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this);
+    PFXHttpRequestWorker *worker = new PFXHttpRequestWorker(this, _manager);
     worker->setTimeOut(_timeOut);
     worker->setWorkingDirectory(_workingDirectory);
     PFXHttpRequestInput input(fullPath, "PUT");
diff --git a/samples/client/petstore/cpp-qt5/client/PFXUserApi.h b/samples/client/petstore/cpp-qt5/client/PFXUserApi.h
index da5cb322574..e2698e5d1a2 100644
--- a/samples/client/petstore/cpp-qt5/client/PFXUserApi.h
+++ b/samples/client/petstore/cpp-qt5/client/PFXUserApi.h
@@ -19,6 +19,7 @@
 #include <QString>
 
 #include <QObject>
+#include <QNetworkAccessManager>
 
 namespace test_namespace {
 
@@ -35,6 +36,7 @@ public:
     void setBasePath(const QString &basePath);
     void setTimeOut(const int timeOut);
     void setWorkingDirectory(const QString &path);
+    void setNetworkAccessManager(QNetworkAccessManager* manager);
     void addHeaders(const QString &key, const QString &value);
     void enableRequestCompression();
     void enableResponseCompression();
@@ -55,6 +57,7 @@ private:
     QString _basePath;
     int _timeOut;
     QString _workingDirectory;
+    QNetworkAccessManager* _manager;
     QMap<QString, QString> defaultHeaders;
     bool isResponseCompressionEnabled;
     bool isRequestCompressionEnabled;