diff --git a/dotnet/src/webdriver/BiDi/BiDi.cs b/dotnet/src/webdriver/BiDi/BiDi.cs
index 6fe8805abc216..5dfa8534c986a 100644
--- a/dotnet/src/webdriver/BiDi/BiDi.cs
+++ b/dotnet/src/webdriver/BiDi/BiDi.cs
@@ -31,25 +31,11 @@ public sealed class BiDi : IAsyncDisposable
 {
     private readonly ConcurrentDictionary<Type, Module> _modules = new();
 
-    private readonly JsonSerializerOptions _jsonOptions;
-
     private BiDi(string url)
     {
         var uri = new Uri(url);
 
         Broker = new Broker(this, uri);
-
-        _jsonOptions = new JsonSerializerOptions
-        {
-            PropertyNameCaseInsensitive = true,
-            PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
-            DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,
-
-            Converters =
-            {
-                new DateTimeOffsetConverter(),
-            }
-        };
     }
 
     private Broker Broker { get; }
@@ -101,6 +87,20 @@ public async ValueTask DisposeAsync()
 
     public T AsModule<T>() where T : Module, new()
     {
-        return (T)_modules.GetOrAdd(typeof(T), _ => Module.Create<T>(this, Broker, _jsonOptions));
+        return (T)_modules.GetOrAdd(typeof(T), _ => Module.Create<T>(this, Broker, CreateDefaultJsonOptions()));
+    }
+
+    private static JsonSerializerOptions CreateDefaultJsonOptions()
+    {
+        return new JsonSerializerOptions
+        {
+            PropertyNameCaseInsensitive = true,
+            PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
+            DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,
+            Converters =
+            {
+                new DateTimeOffsetConverter(),
+            }
+        };
     }
 }
diff --git a/dotnet/src/webdriver/BiDi/Browser/BrowserModule.cs b/dotnet/src/webdriver/BiDi/Browser/BrowserModule.cs
index 8addbc886a9fc..a160d4312a990 100644
--- a/dotnet/src/webdriver/BiDi/Browser/BrowserModule.cs
+++ b/dotnet/src/webdriver/BiDi/Browser/BrowserModule.cs
@@ -81,15 +81,9 @@ public async Task<SetDownloadBehaviorResult> SetDownloadBehaviorDeniedAsync(SetD
 
     protected override void Initialize(JsonSerializerOptions jsonSerializerOptions)
     {
-        var browserOptions = new JsonSerializerOptions(jsonSerializerOptions)
-        {
-            Converters =
-            {
-                new BrowserUserContextConverter(BiDi),
-            }
-        };
-
-        _jsonContext = new BrowserJsonSerializerContext(browserOptions);
+        jsonSerializerOptions.Converters.Add(new BrowserUserContextConverter(BiDi));
+
+        _jsonContext = new BrowserJsonSerializerContext(jsonSerializerOptions);
     }
 }
 
diff --git a/dotnet/src/webdriver/BiDi/BrowsingContext/BrowsingContextModule.cs b/dotnet/src/webdriver/BiDi/BrowsingContext/BrowsingContextModule.cs
index 6eb12eb0f2cac..160c306154ae8 100644
--- a/dotnet/src/webdriver/BiDi/BrowsingContext/BrowsingContextModule.cs
+++ b/dotnet/src/webdriver/BiDi/BrowsingContext/BrowsingContextModule.cs
@@ -255,18 +255,12 @@ public async Task<Subscription> OnUserPromptClosedAsync(Action<UserPromptClosedE
 
     protected override void Initialize(JsonSerializerOptions jsonSerializerOptions)
     {
-        var browsingContextOptions = new JsonSerializerOptions(jsonSerializerOptions)
-        {
-            Converters =
-            {
-                new BrowsingContextConverter(BiDi),
-                new InternalIdConverter(BiDi),
-                new HandleConverter(BiDi),
-                new BrowserUserContextConverter(BiDi),
-            }
-        };
-
-        _jsonContext = new BrowsingContextJsonSerializerContext(browsingContextOptions);
+        jsonSerializerOptions.Converters.Add(new BrowsingContextConverter(BiDi));
+        jsonSerializerOptions.Converters.Add(new InternalIdConverter(BiDi));
+        jsonSerializerOptions.Converters.Add(new HandleConverter(BiDi));
+        jsonSerializerOptions.Converters.Add(new BrowserUserContextConverter(BiDi));
+
+        _jsonContext = new BrowsingContextJsonSerializerContext(jsonSerializerOptions);
     }
 }
 
diff --git a/dotnet/src/webdriver/BiDi/Emulation/EmulationModule.cs b/dotnet/src/webdriver/BiDi/Emulation/EmulationModule.cs
index a5c882beb070b..a3a804094fe44 100644
--- a/dotnet/src/webdriver/BiDi/Emulation/EmulationModule.cs
+++ b/dotnet/src/webdriver/BiDi/Emulation/EmulationModule.cs
@@ -95,16 +95,10 @@ public async Task<SetGeolocationOverrideResult> SetGeolocationPositionErrorOverr
 
     protected override void Initialize(JsonSerializerOptions jsonSerializerOptions)
     {
-        var emulationOptions = new JsonSerializerOptions(jsonSerializerOptions)
-        {
-            Converters =
-            {
-                new BrowsingContextConverter(BiDi),
-                new BrowserUserContextConverter(BiDi),
-            }
-        };
-
-        _jsonContext = new EmulationJsonSerializerContext(emulationOptions);
+        jsonSerializerOptions.Converters.Add(new BrowsingContextConverter(BiDi));
+        jsonSerializerOptions.Converters.Add(new BrowserUserContextConverter(BiDi));
+
+        _jsonContext = new EmulationJsonSerializerContext(jsonSerializerOptions);
     }
 }
 
diff --git a/dotnet/src/webdriver/BiDi/Input/InputModule.cs b/dotnet/src/webdriver/BiDi/Input/InputModule.cs
index 4773c75bb47eb..6f6f88ee8c4da 100644
--- a/dotnet/src/webdriver/BiDi/Input/InputModule.cs
+++ b/dotnet/src/webdriver/BiDi/Input/InputModule.cs
@@ -52,16 +52,10 @@ public async Task<SetFilesResult> SetFilesAsync(BrowsingContext.BrowsingContext
 
     protected override void Initialize(JsonSerializerOptions jsonSerializerOptions)
     {
-        var inputOptions = new JsonSerializerOptions(jsonSerializerOptions)
-        {
-            Converters =
-            {
-                new BrowsingContextConverter(BiDi),
-                new HandleConverter(BiDi),
-            }
-        };
+        jsonSerializerOptions.Converters.Add(new BrowsingContextConverter(BiDi));
+        jsonSerializerOptions.Converters.Add(new HandleConverter(BiDi));
 
-        _jsonContext = new InputJsonSerializerContext(inputOptions);
+        _jsonContext = new InputJsonSerializerContext(jsonSerializerOptions);
     }
 }
 
diff --git a/dotnet/src/webdriver/BiDi/Log/LogModule.cs b/dotnet/src/webdriver/BiDi/Log/LogModule.cs
index 06b918641df5f..34da57d0330ee 100644
--- a/dotnet/src/webdriver/BiDi/Log/LogModule.cs
+++ b/dotnet/src/webdriver/BiDi/Log/LogModule.cs
@@ -41,18 +41,12 @@ public async Task<Subscription> OnEntryAddedAsync(Action<LogEntry> handler, Subs
 
     protected override void Initialize(JsonSerializerOptions jsonSerializerOptions)
     {
-        var logOptions = new JsonSerializerOptions(jsonSerializerOptions)
-        {
-            Converters =
-            {
-                new BrowsingContextConverter(BiDi),
-                new RealmConverter(BiDi),
-                new InternalIdConverter(BiDi),
-                new HandleConverter(BiDi),
-            }
-        };
+        jsonSerializerOptions.Converters.Add(new BrowsingContextConverter(BiDi));
+        jsonSerializerOptions.Converters.Add(new RealmConverter(BiDi));
+        jsonSerializerOptions.Converters.Add(new InternalIdConverter(BiDi));
+        jsonSerializerOptions.Converters.Add(new HandleConverter(BiDi));
 
-        _jsonContext = new LogJsonSerializerContext(logOptions);
+        _jsonContext = new LogJsonSerializerContext(jsonSerializerOptions);
     }
 }
 
diff --git a/dotnet/src/webdriver/BiDi/Network/NetworkModule.cs b/dotnet/src/webdriver/BiDi/Network/NetworkModule.cs
index ed50ef1fd42f4..6110b7432f663 100644
--- a/dotnet/src/webdriver/BiDi/Network/NetworkModule.cs
+++ b/dotnet/src/webdriver/BiDi/Network/NetworkModule.cs
@@ -178,18 +178,12 @@ public async Task<Subscription> OnAuthRequiredAsync(Action<AuthRequiredEventArgs
 
     protected override void Initialize(JsonSerializerOptions jsonSerializerOptions)
     {
-        var networkOptions = new JsonSerializerOptions(jsonSerializerOptions)
-        {
-            Converters =
-            {
-                new BrowsingContextConverter(BiDi),
-                new CollectorConverter(BiDi),
-                new InterceptConverter(BiDi),
-                new BrowserUserContextConverter(BiDi),
-            }
-        };
-
-        _jsonContext = new NetworkJsonSerializerContext(networkOptions);
+        jsonSerializerOptions.Converters.Add(new BrowsingContextConverter(BiDi));
+        jsonSerializerOptions.Converters.Add(new CollectorConverter(BiDi));
+        jsonSerializerOptions.Converters.Add(new InterceptConverter(BiDi));
+        jsonSerializerOptions.Converters.Add(new BrowserUserContextConverter(BiDi));
+
+        _jsonContext = new NetworkJsonSerializerContext(jsonSerializerOptions);
     }
 }
 
diff --git a/dotnet/src/webdriver/BiDi/Permissions/PermissionsModule.cs b/dotnet/src/webdriver/BiDi/Permissions/PermissionsModule.cs
index 6df5d47743e43..7f92bc2620900 100644
--- a/dotnet/src/webdriver/BiDi/Permissions/PermissionsModule.cs
+++ b/dotnet/src/webdriver/BiDi/Permissions/PermissionsModule.cs
@@ -38,15 +38,9 @@ public async Task<SetPermissionResult> SetPermissionAsync(PermissionDescriptor d
 
     protected override void Initialize(JsonSerializerOptions jsonSerializerOptions)
     {
-        var permissionsOptions = new JsonSerializerOptions(jsonSerializerOptions)
-        {
-            Converters =
-            {
-                new BrowserUserContextConverter(BiDi),
-            }
-        };
-
-        _jsonContext = new PermissionsJsonSerializerContext(permissionsOptions);
+        jsonSerializerOptions.Converters.Add(new BrowserUserContextConverter(BiDi));
+
+        _jsonContext = new PermissionsJsonSerializerContext(jsonSerializerOptions);
     }
 }
 
diff --git a/dotnet/src/webdriver/BiDi/Script/ScriptModule.cs b/dotnet/src/webdriver/BiDi/Script/ScriptModule.cs
index 92b86750d6ef3..ca935daa2a29c 100644
--- a/dotnet/src/webdriver/BiDi/Script/ScriptModule.cs
+++ b/dotnet/src/webdriver/BiDi/Script/ScriptModule.cs
@@ -119,19 +119,13 @@ public async Task<Subscription> OnRealmDestroyedAsync(Action<RealmDestroyedEvent
 
     protected override void Initialize(JsonSerializerOptions jsonSerializerOptions)
     {
-        var scriptOptions = new JsonSerializerOptions(jsonSerializerOptions)
-        {
-            Converters =
-            {
-                new BrowsingContextConverter(BiDi),
-                new PreloadScriptConverter(BiDi),
-                new RealmConverter(BiDi),
-                new InternalIdConverter(BiDi),
-                new HandleConverter(BiDi),
-            }
-        };
-
-        _jsonContext = new ScriptJsonSerializerContext(scriptOptions);
+        jsonSerializerOptions.Converters.Add(new BrowsingContextConverter(BiDi));
+        jsonSerializerOptions.Converters.Add(new PreloadScriptConverter(BiDi));
+        jsonSerializerOptions.Converters.Add(new RealmConverter(BiDi));
+        jsonSerializerOptions.Converters.Add(new InternalIdConverter(BiDi));
+        jsonSerializerOptions.Converters.Add(new HandleConverter(BiDi));
+
+        _jsonContext = new ScriptJsonSerializerContext(jsonSerializerOptions);
     }
 }
 
diff --git a/dotnet/src/webdriver/BiDi/Session/SessionModule.cs b/dotnet/src/webdriver/BiDi/Session/SessionModule.cs
index 5669f44e4d760..45dd9efedb4e5 100644
--- a/dotnet/src/webdriver/BiDi/Session/SessionModule.cs
+++ b/dotnet/src/webdriver/BiDi/Session/SessionModule.cs
@@ -62,16 +62,10 @@ public async Task<EndResult> EndAsync(EndOptions? options = null)
 
     protected override void Initialize(JsonSerializerOptions jsonSerializerOptions)
     {
-        var sessionOptions = new JsonSerializerOptions(jsonSerializerOptions)
-        {
-            Converters =
-            {
-                new BrowsingContextConverter(BiDi),
-                new BrowserUserContextConverter(BiDi),
-            }
-        };
+        jsonSerializerOptions.Converters.Add(new BrowsingContextConverter(BiDi));
+        jsonSerializerOptions.Converters.Add(new BrowserUserContextConverter(BiDi));
 
-        _jsonContext = new SessionJsonSerializerContext(sessionOptions);
+        _jsonContext = new SessionJsonSerializerContext(jsonSerializerOptions);
     }
 }
 
diff --git a/dotnet/src/webdriver/BiDi/Storage/StorageModule.cs b/dotnet/src/webdriver/BiDi/Storage/StorageModule.cs
index 21d627a0b087d..ed53de3ef7d51 100644
--- a/dotnet/src/webdriver/BiDi/Storage/StorageModule.cs
+++ b/dotnet/src/webdriver/BiDi/Storage/StorageModule.cs
@@ -51,16 +51,10 @@ public async Task<SetCookieResult> SetCookieAsync(PartialCookie cookie, SetCooki
 
     protected override void Initialize(JsonSerializerOptions jsonSerializerOptions)
     {
-        var storageOptions = new JsonSerializerOptions(jsonSerializerOptions)
-        {
-            Converters =
-            {
-                new BrowsingContextConverter(BiDi),
-                new BrowserUserContextConverter(BiDi),
-            }
-        };
+        jsonSerializerOptions.Converters.Add(new BrowsingContextConverter(BiDi));
+        jsonSerializerOptions.Converters.Add(new BrowserUserContextConverter(BiDi));
 
-        _jsonContext = new StorageJsonSerializerContext(storageOptions);
+        _jsonContext = new StorageJsonSerializerContext(jsonSerializerOptions);
     }
 }
 
diff --git a/dotnet/src/webdriver/BiDi/WebExtension/WebExtensionModule.cs b/dotnet/src/webdriver/BiDi/WebExtension/WebExtensionModule.cs
index a7a31906f4ab7..5555a7db4ea2a 100644
--- a/dotnet/src/webdriver/BiDi/WebExtension/WebExtensionModule.cs
+++ b/dotnet/src/webdriver/BiDi/WebExtension/WebExtensionModule.cs
@@ -44,15 +44,9 @@ public async Task<UninstallResult> UninstallAsync(Extension extension, Uninstall
 
     protected override void Initialize(JsonSerializerOptions jsonSerializerOptions)
     {
-        var webExtensionOptions = new JsonSerializerOptions(jsonSerializerOptions)
-        {
-            Converters =
-            {
-                new WebExtensionConverter(BiDi)
-            }
-        };
+        jsonSerializerOptions.Converters.Add(new WebExtensionConverter(BiDi));
 
-        _jsonContext = new WebExtensionJsonSerializerContext(webExtensionOptions);
+        _jsonContext = new WebExtensionJsonSerializerContext(jsonSerializerOptions);
     }
 }