diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index db0fd32..d45027e 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -1 +1 @@
-* @ddyett @MichaelMainer @nikithauc @zengin @silaskenneth @Ndiritu @shemogumbe
+* @microsoft/kiota-write
diff --git a/.github/workflows/conflicting-pr-label.yml b/.github/workflows/conflicting-pr-label.yml
index da6e5f3..fb4a14e 100644
--- a/.github/workflows/conflicting-pr-label.yml
+++ b/.github/workflows/conflicting-pr-label.yml
@@ -11,6 +11,10 @@ on:
     types: [synchronize]
     branches: [ main ]
 
+permissions:
+  pull-requests: write
+  contents: read
+
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
   # This workflow contains a single job called "build"
diff --git a/.github/workflows/pr-validation.yml b/.github/workflows/pr-validation.yml
index d912dd1..329192d 100644
--- a/.github/workflows/pr-validation.yml
+++ b/.github/workflows/pr-validation.yml
@@ -7,6 +7,10 @@ on:
   pull_request:
     branches: [ main, dev ]
 
+permissions:
+  contents: read
+  pull-requests: read
+
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -15,7 +19,7 @@ jobs:
         php-versions: ['7.4', '8.0', '8.1', '8.2']
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.1.1
+        uses: actions/checkout@v4.1.2
       - name: Setup PHP and Xdebug for Code Coverage report
         uses: shivammathur/setup-php@v2
         with:
diff --git a/src/JsonSerializationWriter.php b/src/JsonSerializationWriter.php
index dd19581..aa845b1 100644
--- a/src/JsonSerializationWriter.php
+++ b/src/JsonSerializationWriter.php
@@ -121,9 +121,9 @@ public function writeDateValue(?string $key, ?Date $value): void {
 
     public function writeBinaryContent(?string $key, ?StreamInterface $value): void {
         if ($value !== null) {
-            $this->writeStringValue($key, $value->getContents());
-        } else {
-            $this->writeNullValue($key);
+            $val = $value->getContents();
+            $value->rewind();
+            $this->writeStringValue($key, $val);
         }
     }
 
diff --git a/tests/JsonSerializationWriterTest.php b/tests/JsonSerializationWriterTest.php
index c4832d5..3d1824f 100644
--- a/tests/JsonSerializationWriterTest.php
+++ b/tests/JsonSerializationWriterTest.php
@@ -248,10 +248,8 @@ public function testWriteBinaryContentValue(): void
         $this->jsonSerializationWriter = new JsonSerializationWriter();
         $stream = Utils::streamFor("Hello world!!!\r\t\t\t\n");
         $this->jsonSerializationWriter->writeBinaryContent('body', $stream);
-        $stream->rewind();
         $this->jsonSerializationWriter->writeAnyValue('body3', $stream);
-        $this->jsonSerializationWriter->writeBinaryContent('body2', null);
         $content = $this->jsonSerializationWriter->getSerializedContent();
-        $this->assertEquals("\"body\":\"Hello world!!!\\r\\t\\t\\t\\n\",\"body3\":\"Hello world!!!\\r\\t\\t\\t\\n\",\"body2\":null", $content->getContents());
+        $this->assertEquals("\"body\":\"Hello world!!!\\r\\t\\t\\t\\n\",\"body3\":\"Hello world!!!\\r\\t\\t\\t\\n\"", $content->getContents());
     }
 }
diff --git a/tests/Samples/Person.php b/tests/Samples/Person.php
index 71c2045..577aed2 100644
--- a/tests/Samples/Person.php
+++ b/tests/Samples/Person.php
@@ -6,6 +6,7 @@
 use Microsoft\Kiota\Abstractions\Serialization\Parsable;
 use Microsoft\Kiota\Abstractions\Serialization\ParseNode;
 use Microsoft\Kiota\Abstractions\Serialization\SerializationWriter;
+use Psr\Http\Message\StreamInterface;
 
 class Person implements Parsable, AdditionalDataHolder
 {
@@ -19,6 +20,8 @@ class Person implements Parsable, AdditionalDataHolder
     private ?Address $address = null;
 
     private ?MaritalStatus $maritalStatus = null;
+
+    private ?StreamInterface $bio = null;
     /**
      * @inheritDoc
      */
@@ -30,7 +33,8 @@ public function getFieldDeserializers(): array
             "age" => function (ParseNode $n) use ($currentObject) {$currentObject->setAge($n->getIntegerValue());},
             "height" => function (ParseNode $n) use ($currentObject) {$currentObject->setHeight($n->getFloatValue());},
             "maritalStatus" => function (ParseNode $n) use ($currentObject) {$currentObject->setMaritalStatus($n->getEnumValue(MaritalStatus::class));},
-            "address" => function (ParseNode $n) use ($currentObject) {$currentObject->setAddress($n->getObjectValue(array(Address::class, 'createFromDiscriminatorValue')));}
+            "address" => function (ParseNode $n) use ($currentObject) {$currentObject->setAddress($n->getObjectValue(array(Address::class, 'createFromDiscriminatorValue')));},
+            "bio" => function (ParseNode $n) use ($currentObject) {$currentObject->setBio($n->getBinaryContent());}
         ];
     }
 
@@ -43,6 +47,7 @@ public function serialize(SerializationWriter $writer): void {
         $writer->writeEnumValue('maritalStatus', $this->maritalStatus);
         $writer->writeFloatValue('height', $this->height);
         $writer->writeObjectValue('address', $this->address);
+        $writer->writeBinaryContent('bio', $this->bio);
     }
 
     /**
@@ -133,4 +138,20 @@ public function setAddress(?Address $address): void {
         $this->address = $address;
     }
 
-}
\ No newline at end of file
+    /**
+     * @param StreamInterface|null $bio
+     */
+    public function setBio(?StreamInterface $bio): void
+    {
+        $this->bio = $bio;
+    }
+
+    /**
+     * @return StreamInterface|null
+     */
+    public function getBio(): ?StreamInterface
+    {
+        return $this->bio;
+    }
+
+}