diff --git a/lib/PuppeteerSharp/Cdp/CdpHttpRequest.cs b/lib/PuppeteerSharp/Cdp/CdpHttpRequest.cs
index ca051f5ae..df2f3f1ce 100644
--- a/lib/PuppeteerSharp/Cdp/CdpHttpRequest.cs
+++ b/lib/PuppeteerSharp/Cdp/CdpHttpRequest.cs
@@ -42,7 +42,7 @@ internal CdpHttpRequest(
         Url = data.Request.Url;
         ResourceType = data.Type ?? ResourceType.Other;
         Method = data.Request.Method;
-        PostData = data.Request.PostData?.ToString();
+        PostData = data.Request.PostData;
         HasPostData = data.Request.HasPostData ?? false;
 
         Frame = frame;
diff --git a/lib/PuppeteerSharp/Cdp/Messaging/Request.cs b/lib/PuppeteerSharp/Cdp/Messaging/Request.cs
index fa786be3c..c31daaef8 100644
--- a/lib/PuppeteerSharp/Cdp/Messaging/Request.cs
+++ b/lib/PuppeteerSharp/Cdp/Messaging/Request.cs
@@ -29,7 +29,7 @@ internal class Request
 {
     public HttpMethod Method { get; set; }
 
-    public object PostData { get; set; }
+    public string PostData { get; set; }
 
     public Dictionary<string, string> Headers { get; set; } = [];
 
diff --git a/lib/PuppeteerSharp/PuppeteerSharp.csproj b/lib/PuppeteerSharp/PuppeteerSharp.csproj
index 9f57ce6cc..26a43bd1a 100644
--- a/lib/PuppeteerSharp/PuppeteerSharp.csproj
+++ b/lib/PuppeteerSharp/PuppeteerSharp.csproj
@@ -12,10 +12,10 @@
     <Description>Headless Browser .NET API</Description>
     <PackageId>PuppeteerSharp</PackageId>
     <PackageReleaseNotes></PackageReleaseNotes>
-    <PackageVersion>20.0.3</PackageVersion>
-    <ReleaseVersion>20.0.3</ReleaseVersion>
-    <AssemblyVersion>20.0.3</AssemblyVersion>
-    <FileVersion>20.0.3</FileVersion>
+    <PackageVersion>20.0.4</PackageVersion>
+    <ReleaseVersion>20.0.4</ReleaseVersion>
+    <AssemblyVersion>20.0.4</AssemblyVersion>
+    <FileVersion>20.0.4</FileVersion>
     <SynchReleaseVersion>false</SynchReleaseVersion>
     <StyleCopTreatErrorsAsWarnings>false</StyleCopTreatErrorsAsWarnings>
     <DebugType>embedded</DebugType>