diff --git a/CHANGES.md b/CHANGES.md
index a5572c11..5341e936 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -10,6 +10,7 @@
 * Update feedparser 6.0.1 (98d189fa) to 6.0.10 (5fcb3ae)
 * Update humanize 3.5.0 (b6b0ea5) to 4.0.0 (a1514eb)
 * Update Js2Py 0.70 (92250a4) to 0.74 (2e017b8)
+* Update pyjsparser 2.7.1 (5465d03) to 2.7.1 (cbd1e05)
 * Update profilehooks module 1.12.0 (3ee1f60) to 1.12.1 (c3fc078)
 * Update Rarfile 4.0 (55fe778) to 4.1a1 (8a72967)
 * Update UnRar x64 for Windows 6.11 to 6.20
diff --git a/lib/pyjsparser/parser.py b/lib/pyjsparser/parser.py
index fa9843c5..41ad1ef1 100644
--- a/lib/pyjsparser/parser.py
+++ b/lib/pyjsparser/parser.py
@@ -1524,14 +1524,18 @@ class PyJsParser:
         self.expect('(')
 
         if (self.match(')')):
-            raise Ecma51NotSupported('ArrowFunction')
+            #raise Ecma51NotSupported('ArrowFunction')
             self.lex()
             if (not self.match('=>')):
                 self.expect('=>')
-            return {
-                'type': PlaceHolders.ArrowParameterPlaceHolder,
-                'params': []
-            }
+            #return {
+            #    'type': PlaceHolders.ArrowParameterPlaceHolder,
+            #    'params': []
+            #}
+            nexpr = Node()
+            nexpr.type = PlaceHolders.ArrowParameterPlaceHolder
+            nexpr.params = []
+            return nexpr
 
         startToken = self.lookahead
         if (self.match('...')):
@@ -1539,10 +1543,14 @@ class PyJsParser:
             self.expect(')')
             if (not self.match('=>')):
                 self.expect('=>')
-            return {
-                'type': PlaceHolders.ArrowParameterPlaceHolder,
-                'params': [expr]
-            }
+            #return {
+            #    'type': PlaceHolders.ArrowParameterPlaceHolder,
+            #    'params': [expr]
+            #}
+            nexpr = Node()
+            nexpr.type = PlaceHolders.ArrowParameterPlaceHolder
+            nexpr.params = [expr]
+            return nexpr
 
         self.isBindingElement = true
         expr = self.inheritCoverGrammar(self.parseAssignmentExpression)
@@ -1567,10 +1575,14 @@ class PyJsParser:
                     self.isBindingElement = false
                     for i in xrange(len(expressions)):
                         self.reinterpretExpressionAsPattern(expressions[i])
-                    return {
-                        'type': PlaceHolders.ArrowParameterPlaceHolder,
-                        'params': expressions
-                    }
+                    #return {
+                    #    'type': PlaceHolders.ArrowParameterPlaceHolder,
+                    #    'params': expressions
+                    #}
+                    nexpr = Node()
+                    nexpr.type = PlaceHolders.ArrowParameterPlaceHolder
+                    nexpr.params = expressions
+                    return nexpr
                 expressions.append(
                     self.inheritCoverGrammar(self.parseAssignmentExpression))
             expr = WrappingNode(startToken).finishSequenceExpression(
@@ -1578,7 +1590,7 @@ class PyJsParser:
         self.expect(')')
 
         if (self.match('=>')):
-            raise Ecma51NotSupported('ArrowFunction')
+            #raise Ecma51NotSupported('ArrowFunction')
             if (not self.isBindingElement):
                 self.throwUnexpectedToken(self.lookahead)
             if (expr['type'] == Syntax.SequenceExpression):
@@ -1586,13 +1598,17 @@ class PyJsParser:
                     self.reinterpretExpressionAsPattern(expr['expressions'][i])
             else:
                 self.reinterpretExpressionAsPattern(expr)
-            expr = {
-                'type':
-                PlaceHolders.ArrowParameterPlaceHolder,
-                'params':
-                expr['expressions']
-                if expr['type'] == Syntax.SequenceExpression else [expr]
-            }
+            #expr = {
+            #    'type':
+            #    PlaceHolders.ArrowParameterPlaceHolder,
+            #    'params':
+            #    expr['expressions']
+            #    if expr['type'] == Syntax.SequenceExpression else [expr]
+            #}
+            nexpr = Node()
+            nexpr.type = PlaceHolders.ArrowParameterPlaceHolder
+            nexpr.params = expr['expressions'] if expr['type'] == Syntax.SequenceExpression else [expr]
+            expr = nexpr
         self.isBindingElement = false
         return expr
 
@@ -2002,13 +2018,15 @@ class PyJsParser:
         return {
             'params': params,
             'defaults': defaults,
-            'stricted': options['stricted'],
-            'firstRestricted': options['firstRestricted'],
+            #'stricted': options['stricted'],
+            'stricted': options['stricted'] if 'stricted' in options else null,
+            #'firstRestricted': options['firstRestricted'],
+            'firstRestricted': options['firstRestricted'] if 'firstRestricted' in options else null,
             'message': options.get('message')
         }
 
     def parseArrowFunctionExpression(self, options, node):
-        raise Ecma51NotSupported('ArrowFunctionExpression')
+        #raise Ecma51NotSupported('ArrowFunctionExpression')
         if (self.hasLineTerminator):
             self.tolerateUnexpectedToken(self.lookahead)
         self.expect('=>')
@@ -2039,7 +2057,7 @@ class PyJsParser:
 
         if (expr.type == PlaceHolders.ArrowParameterPlaceHolder
                 or self.match('=>')):
-            raise Ecma51NotSupported('ArrowFunctionExpression')
+            #raise Ecma51NotSupported('ArrowFunctionExpression')
             self.isAssignmentTarget = self.isBindingElement = false
             lis = self.reinterpretAsCoverFormalsList(expr)
 
@@ -2782,7 +2800,8 @@ class PyJsParser:
             if key in options['paramSet']:
                 options['stricted'] = param
                 options['message'] = Messages.StrictParamDupe
-        elif (not options['firstRestricted']):
+        #elif (not options['firstRestricted']):
+        elif (not 'firstRestricted' in options):
             if (isRestrictedWord(name)):
                 options['firstRestricted'] = param
                 options['message'] = Messages.StrictParamName
diff --git a/lib/pyjsparser/std_nodes.py b/lib/pyjsparser/std_nodes.py
index e527583e..4bb30303 100644
--- a/lib/pyjsparser/std_nodes.py
+++ b/lib/pyjsparser/std_nodes.py
@@ -27,6 +27,18 @@ class BaseNode:
         self.finish()
         return self
 
+    def finishArrowFunctionExpression(self, params, defaults, body, expression):
+        self.type = Syntax.ArrowFunctionExpression
+        self.id = None
+        self.params = params
+        self.defaults = defaults
+        self.body = body
+        #self.rest = None
+        self.generator = False
+        self.expression = expression
+        self.finish()
+        return self
+
     def finishAssignmentExpression(self, operator, left, right):
         self.type = Syntax.AssignmentExpression
         self.operator = operator