diff --git a/gn_tools/processing/draw.py b/gn_tools/processing/draw.py
index f2aa469..8456364 100644
--- a/gn_tools/processing/draw.py
+++ b/gn_tools/processing/draw.py
@@ -1,9 +1,9 @@
 # Import PyQt libs
-from PyQt5.QtCore import (
+from qgis.PyQt.QtCore import (
     pyqtSignal,
     Qt,
     )
-from PyQt5.QtGui import QColor
+from qgis.PyQt.QtGui import QColor
 # Import PyQgis libs
 from qgis.core import (
     QgsRectangle,
@@ -42,7 +42,7 @@ class RectangleFeatureTool(QgsMapTool):
 
     # Mouse button pressed.
     def canvasPressEvent(self, event: QgsMapMouseEvent):
-        if event.button() == Qt.LeftButton:
+        if event.button() == Qt.MouseButton(0x00000001):
             self.start_point = self.toMapCoordinates(event.pos())
             self.end_point = self.start_point
             self.is_left_button_pressed = True
@@ -58,7 +58,7 @@ class RectangleFeatureTool(QgsMapTool):
     # The mouse button is released.
     def canvasReleaseEvent(self, event: QgsMapMouseEvent):
         # if the left mouse button was released
-        if event.button() == Qt.LeftButton:
+        if event.button() == Qt.MouseButton(0x00000001):
             if event.type() == 3:
                 # get the rectangle created from the click point and
                 # left mouse button release points
diff --git a/gn_tools/processing/filter_synthese.py b/gn_tools/processing/filter_synthese.py
index 341dbb6..a3e3c6a 100644
--- a/gn_tools/processing/filter_synthese.py
+++ b/gn_tools/processing/filter_synthese.py
@@ -77,15 +77,15 @@ class GetFilterFromAPI(QDialog):
         self._pending_downloads -= 1
         # If reply is an error or reply is a redirection, login is not accepted
         print(reply.attribute(
-            QNetworkRequest.HttpStatusCodeAttribute
+            QNetworkRequest.Attribute(0)
         ))
         print(reply.error(),' : ',reply.dtype)
         self.network_manager.cookieStatus = reply.attribute(
-            QNetworkRequest.HttpStatusCodeAttribute
+            QNetworkRequest.Attribute(0)
         )
         QApplication.restoreOverrideCursor()
         if (
-            reply.error() != QNetworkReply.NoError
+            reply.error() != QNetworkReply.NetworkError(0)
             or self.network_manager.cookieStatus != 200
         ):
             # Error code 299 means the logins are invalid
@@ -126,7 +126,7 @@ class GetFilterFromAPI(QDialog):
 
     def get_jdd(self):
         self._pending_downloads += 1
-        QApplication.setOverrideCursor(Qt.WaitCursor)
+        QApplication.setOverrideCursor(Qt.CursorShape(3))
 
         self.dlg.jdd_box.setEnabled(True)
         url_api = self.domain_url + 'api/meta/datasets?'
@@ -142,7 +142,7 @@ class GetFilterFromAPI(QDialog):
 
     def get_phylog(self):
         self._pending_downloads += 2
-        QApplication.setOverrideCursor(Qt.WaitCursor)
+        QApplication.setOverrideCursor(Qt.CursorShape(3))
 
         self.dlg.regne.setEnabled(True)
         if self.parent.src_name == 'GéoNature':
@@ -154,7 +154,7 @@ class GetFilterFromAPI(QDialog):
 
 
     def get_taxon_tree(self):
-        QApplication.setOverrideCursor(Qt.WaitCursor)
+        QApplication.setOverrideCursor(Qt.CursorShape(3))
 
         if self.parent.src_name == 'GéoNature':
             url_api = self.tax_url + 'api/synthese/taxons_tree'
@@ -170,8 +170,8 @@ class GetFilterFromAPI(QDialog):
     def send_request(self,url,type_request,type_param):
         print(url)
         request = QNetworkRequest(url)
-        request.setHeader(QNetworkRequest.ContentTypeHeader, "application/json")
-        request.setHeader(QNetworkRequest.CookieHeader, self.cookie)
+        request.setHeader(QNetworkRequest.KnownHeaders(0), "application/json")
+        request.setHeader(QNetworkRequest.KnownHeaders(4), self.cookie)
         if type_request == 'GET':
             reply = self.network_manager.get(request)
         elif  type_request == 'POST':