diff --git a/MicroPython_BUILD/components/micropython/esp32/modules/microWebSocket.py b/MicroPython_BUILD/components/micropython/esp32/modules/microWebSocket.py
index f37a532a..3fe3d304 100755
--- a/MicroPython_BUILD/components/micropython/esp32/modules/microWebSocket.py
+++ b/MicroPython_BUILD/components/micropython/esp32/modules/microWebSocket.py
@@ -98,7 +98,7 @@ def __init__(self, socket, httpClient, httpResponse, maxRecvLen, threaded, accep
 
     def _handshake(self, httpResponse) :
         try :
-            key = self._httpCli.GetRequestHeaders().get('Sec-WebSocket-Key', None)
+            key = self._httpCli.GetRequestHeaders().get('sec-websocket-key', None)
             if key :
                 key += self._handshakeSign
                 r = sha1(key.encode()).digest()
diff --git a/MicroPython_BUILD/components/micropython/esp32/modules/microWebSrv.py b/MicroPython_BUILD/components/micropython/esp32/modules/microWebSrv.py
index ddeea334..4d3f2fd3 100755
--- a/MicroPython_BUILD/components/micropython/esp32/modules/microWebSrv.py
+++ b/MicroPython_BUILD/components/micropython/esp32/modules/microWebSrv.py
@@ -27,11 +27,11 @@
 
 class MicroWebSrvRoute :
     def __init__(self, route, method, func, routeArgNames, routeRegex) :
-        self.route         = route        
-        self.method        = method       
-        self.func          = func         
+        self.route         = route
+        self.method        = method
+        self.func          = func
         self.routeArgNames = routeArgNames
-        self.routeRegex    = routeRegex   
+        self.routeRegex    = routeRegex
 
 
 class MicroWebSrv :
@@ -305,7 +305,7 @@ def GetMimeTypeFromFilename(self, filename) :
         return None
 
     # ----------------------------------------------------------------------------
-    
+
     def GetRouteHandler(self, resUrl, method) :
         if self._routeHandlers :
             #resUrl = resUrl.upper()
@@ -366,7 +366,7 @@ def __init__(self, microWebSrv, socket, addr) :
             self._headers       = { }
             self._contentType   = None
             self._contentLength = 0
-            
+
             self._processRequest()
 
         # ------------------------------------------------------------------------
@@ -444,18 +444,18 @@ def _parseFirstLine(self, response) :
             except :
                 pass
             return False
-    
+
         # ------------------------------------------------------------------------
 
         def _parseHeader(self, response) :
             while True :
                 elements = self._socket.readline().decode().strip().split(':', 1)
                 if len(elements) == 2 :
-                    self._headers[elements[0].strip()] = elements[1].strip()
+                    self._headers[elements[0].strip().lower()] = elements[1].strip()
                 elif len(elements) == 1 and len(elements[0]) == 0 :
-                    if self._method == 'POST' :
-                        self._contentType   = self._headers.get("Content-Type", None)
-                        self._contentLength = int(self._headers.get("Content-Length", 0))
+                    if self._method == 'POST' or self._method == 'PUT' :
+                        self._contentType   = self._headers.get("content-type", None)
+                        self._contentLength = int(self._headers.get("content-length", 0))
                     return True
                 else :
                     return False
@@ -463,8 +463,8 @@ def _parseHeader(self, response) :
         # ------------------------------------------------------------------------
 
         def _getConnUpgrade(self) :
-            if 'upgrade' in self._headers.get('Connection', '').lower() :
-                return self._headers.get('Upgrade', '').lower()
+            if 'upgrade' in self._headers.get('connection', '').lower() :
+                return self._headers.get('upgrade', '').lower()
             return None
 
         # ------------------------------------------------------------------------
@@ -563,7 +563,7 @@ def ReadRequestContentAsJSON(self) :
                 return loads(self.ReadRequestContent())
             except :
                 return None
-        
+
     # ============================================================================
     # ===( Class Response  )======================================================
     # ============================================================================