diff --git a/setup.py b/setup.py
index 34660a7fe8964e28889e295c3d001a7e63102627..66881626659e5e3f16607123bc992eab57a1c640 100644
--- a/setup.py
+++ b/setup.py
@@ -11,11 +11,14 @@ from PyQt5 import QtCore
 # preparation des options
 sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), 'lib')))
 sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), 'src')))
+sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), 'res', 'certs')))
 
 print(sys.path)
-includes = ["sip", "re", "json", "logging", "hashlib", "os", "urllib", "ucoinpy", "pylibscrypt", "requests"]
+includes = ["sip", "re", "json", "logging",
+            "hashlib", "os", "urllib",
+            "ucoinpy", "pylibscrypt", "requests"]
 excludes = []
-packages = ["libnacl"]
+packages = ["libnacl", "encodings"]
 
 includefiles = []
 if sys.platform == "win32":
@@ -27,13 +30,13 @@ if sys.platform == "win32":
     includefiles.append(libEGL_path)
     includefiles.append(qt5svg_path)
     includefiles.append("platforms/win32/libsodium.dll")
-    
+
 elif sys.platform == "darwin":
     pass
 else:
     pass
-    
-includefiles.append(os.path.join("res", "certs", "DigiCertHighAssuranceEVRootCA.crt"))
+
+includefiles.append((os.path.join(os.path.dirname(__file__), 'res', 'certs', "DigiCertHighAssuranceEVRootCA.crt"), "DigiCertHighAssuranceEVRootCA.crt"))
 
 options = {"path": sys.path,
            "includes": includes,
diff --git a/src/cutecoin/core/app.py b/src/cutecoin/core/app.py
index 1f2a30d18a58e6ce956672052b8f4251e335573c..c3c45bce0cdca352cb534f720818d5e76935c335 100644
--- a/src/cutecoin/core/app.py
+++ b/src/cutecoin/core/app.py
@@ -9,10 +9,11 @@ import logging
 import json
 import tarfile
 import shutil
-import requests
+import json
 import datetime
 
-from PyQt5.QtCore import QObject, pyqtSignal
+from PyQt5.QtCore import QObject, pyqtSignal, pyqtSlot, QUrl
+from PyQt5.QtNetwork import QNetworkAccessManager, QNetworkReply, QNetworkRequest
 
 from . import config
 from .account import Account
@@ -31,6 +32,7 @@ class Application(QObject):
     '''
 
     loading_progressed = pyqtSignal(int, int)
+    version_requested = pyqtSignal()
 
     def __init__(self, argv):
         '''
@@ -43,7 +45,11 @@ class Application(QObject):
         self.default_account = ""
         self.current_account = None
         self.monitor = None
+        self.available_version = __version__
         config.parse_arguments(argv)
+        self._network_manager = QNetworkAccessManager()
+        self._network_manager.finished.connect(self.read_available_version)
+        self.get_last_version()
         self.load()
 
     def get_account(self, name):
@@ -328,12 +334,17 @@ class Application(QObject):
                 'local_accounts': self.jsonify_accounts()}
         return data
 
-    def latest_version(self):
-        version = (True, __version__)
-        logging.debug(os.environ["REQUESTS_CA_BUNDLE"])
-        releases = requests.get("https://api.github.com/repos/ucoin-io/cutecoin/releases")
+    def get_last_version(self):
+        url = QUrl("https://api.github.com/repos/ucoin-io/cutecoin/releases")
+        request = QNetworkRequest(url)
+        self._network_manager.get(request)
+
+    @pyqtSlot(QNetworkReply)
+    def read_available_version(self, reply):
         latest = None
-        for r in releases.json():
+        releases = reply.readAll().data().decode('utf-8')
+        logging.debug(releases)
+        for r in json.loads(releases):
             if not latest:
                 latest = r
             else:
@@ -346,4 +357,6 @@ class Application(QObject):
                    latest_version,
                    latest["html_url"])
         logging.debug("Found version : {0}".format(latest_version))
-        return version
+        if version != self.available_version:
+            self.available_version = version
+        self.version_requested.emit()
\ No newline at end of file
diff --git a/src/cutecoin/gui/homescreen.py b/src/cutecoin/gui/homescreen.py
index bd0f02d9eece537fd08fe1e9a78a51c5152c502f..1613d58876dfb1060ec186128d5b296dc31912d3 100644
--- a/src/cutecoin/gui/homescreen.py
+++ b/src/cutecoin/gui/homescreen.py
@@ -20,8 +20,12 @@ class HomeScreenWidget(QWidget, Ui_HomeScreenWidget):
         """
         super().__init__()
         self.setupUi(self)
+        self.app = app
+        self.refresh_text()
+        self.app.version_requested.connect(self.refresh_text)
 
-        latest = app.latest_version()
+    def refresh_text(self):
+        latest = self.app.available_version
         version_info = ""
         version_url = ""
         if not latest[0]:
diff --git a/src/cutecoin/main.py b/src/cutecoin/main.py
index c84d83f77c031468cd9e8e9f2e64dc81ae0af84b..d92b85ca2d26863bb85399373fc89c685e5916c0 100755
--- a/src/cutecoin/main.py
+++ b/src/cutecoin/main.py
@@ -12,7 +12,6 @@ from PyQt5.QtCore import QLocale
 from cutecoin.gui.mainwindow import MainWindow
 from cutecoin.core.app import Application
 
-
 if __name__ == '__main__':
     # activate ctrl-c interrupt
     signal.signal(signal.SIGINT, signal.SIG_DFL)
@@ -25,9 +24,8 @@ if __name__ == '__main__':
         # Change this bit to match where you store your data files:
         datadir = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
         os.environ["REQUESTS_CA_BUNDLE"] = os.path.join(datadir,
-                                                        "res", "certs", 
+                                                        "res", "certs",
                                                         "DigiCertHighAssuranceEVRootCA.crt")
-    
 
     cutecoin = QApplication(sys.argv)
     app = Application(sys.argv)