diff --git a/README.md b/README.md
index d83af0d60d..d9dd71bff2 100644
--- a/README.md
+++ b/README.md
@@ -102,7 +102,7 @@ The project **Kiota** code generator produces code that depends on the following
- [Microsoft.Kiota.Authentication.Azure](https://www.nuget.org/packages/Microsoft.Kiota.Authentication.Azure)
- [Azure.Identity](https://www.nuget.org/packages/Azure.Identity)
-The **Swagger Codegen CLI** code generator produces code that depends on the [RestSharp](https://www.nuget.org/packages/RestSharp/105.1.0) and [JsonSubTypes](https://www.nuget.org/packages/JsonSubTypes/1.2.0) NuGet packages
+The **Swagger Codegen CLI** code generator produces code that depends on the [RestSharp](https://www.nuget.org/packages/RestSharp/105.1.0) and [JsonSubTypes](https://www.nuget.org/packages/JsonSubTypes/1.9.0) NuGet packages
The **AutoRest** code generator produces code that depends on the [Microsoft.Rest.ClientRuntime](https://www.nuget.org/packages/Microsoft.Rest.ClientRuntime/2.3.24) and [Newtonsoft.Json](https://www.nuget.org/packages/Newtonsoft.Json/13.0.3) NuGet packages
diff --git a/docs/Marketplace.md b/docs/Marketplace.md
index bf201a2350..e21f56b865 100644
--- a/docs/Marketplace.md
+++ b/docs/Marketplace.md
@@ -74,7 +74,7 @@ The project **Kiota** code generator produces code that depends on the following
- [Microsoft.Kiota.Authentication.Azure](https://www.nuget.org/packages/Microsoft.Kiota.Authentication.Azure)
- [Azure.Identity](https://www.nuget.org/packages/Azure.Identity)
-The **Swagger Codegen CLI** code generator produces code that depends on the [RestSharp](https://www.nuget.org/packages/RestSharp/105.1.0) and [JsonSubTypes](https://www.nuget.org/packages/JsonSubTypes/1.2.0) NuGet packages
+The **Swagger Codegen CLI** code generator produces code that depends on the [RestSharp](https://www.nuget.org/packages/RestSharp/105.1.0) and [JsonSubTypes](https://www.nuget.org/packages/JsonSubTypes/1.9.0) NuGet packages
The **AutoRest** code generator produces code that depends on the [Microsoft.Rest.ClientRuntime](https://www.nuget.org/packages/Microsoft.Rest.ClientRuntime/2.3.24) and [Newtonsoft.Json](https://www.nuget.org/packages/Newtonsoft.Json/13.0.3) NuGet packages
diff --git a/docs/Marketplace2022.md b/docs/Marketplace2022.md
index 2af8c6e903..a97cc517a7 100644
--- a/docs/Marketplace2022.md
+++ b/docs/Marketplace2022.md
@@ -74,7 +74,7 @@ The project **Kiota** code generator produces code that depends on the following
- [Microsoft.Kiota.Authentication.Azure](https://www.nuget.org/packages/Microsoft.Kiota.Authentication.Azure)
- [Azure.Identity](https://www.nuget.org/packages/Azure.Identity)
-The **Swagger Codegen CLI** code generator produces code that depends on the [RestSharp](https://www.nuget.org/packages/RestSharp/105.1.0) and [JsonSubTypes](https://www.nuget.org/packages/JsonSubTypes/1.2.0) NuGet packages
+The **Swagger Codegen CLI** code generator produces code that depends on the [RestSharp](https://www.nuget.org/packages/RestSharp/105.1.0) and [JsonSubTypes](https://www.nuget.org/packages/JsonSubTypes/1.9.0) NuGet packages
The **AutoRest** code generator produces code that depends on the [Microsoft.Rest.ClientRuntime](https://www.nuget.org/packages/Microsoft.Rest.ClientRuntime/2.3.24) and [Newtonsoft.Json](https://www.nuget.org/packages/Newtonsoft.Json/13.0.3) NuGet packages
diff --git a/docs/VisualStudioForMac.md b/docs/VisualStudioForMac.md
index 0a3558b858..dda758d1c9 100644
--- a/docs/VisualStudioForMac.md
+++ b/docs/VisualStudioForMac.md
@@ -62,7 +62,7 @@ The project **Kiota** code generator produces code that depends on the following
- [Microsoft.Kiota.Authentication.Azure](https://www.nuget.org/packages/Microsoft.Kiota.Authentication.Azure)
- [Azure.Identity](https://www.nuget.org/packages/Azure.Identity)
-The **Swagger Codegen CLI** code generator produces code that depends on the [RestSharp](https://www.nuget.org/packages/RestSharp/105.1.0) and [JsonSubTypes](https://www.nuget.org/packages/JsonSubTypes/1.2.0) NuGet packages
+The **Swagger Codegen CLI** code generator produces code that depends on the [RestSharp](https://www.nuget.org/packages/RestSharp/105.1.0) and [JsonSubTypes](https://www.nuget.org/packages/JsonSubTypes/1.9.0) NuGet packages
The **AutoRest** code generator produces code that depends on the [Microsoft.Rest.ClientRuntime](https://www.nuget.org/packages/Microsoft.Rest.ClientRuntime/2.3.24) and [Newtonsoft.Json](https://www.nuget.org/packages/Newtonsoft.Json/13.0.3) NuGet packages
diff --git a/src/Core/ApiClientCodeGen.Core/NuGet/PackageDependencies.cs b/src/Core/ApiClientCodeGen.Core/NuGet/PackageDependencies.cs
index 644976f75b..ec63c82801 100644
--- a/src/Core/ApiClientCodeGen.Core/NuGet/PackageDependencies.cs
+++ b/src/Core/ApiClientCodeGen.Core/NuGet/PackageDependencies.cs
@@ -23,7 +23,7 @@ public static class PackageDependencies
public static readonly PackageDependency JsonSubTypes =
new PackageDependency(
"JsonSubTypes",
- "1.8.0");
+ "1.9.0");
public static readonly PackageDependency RestSharpLatest =
new PackageDependency(
diff --git a/src/Core/ApiClientCodeGen.Tests.Common/Build/Projects/SwaggerProjectFileContents.cs b/src/Core/ApiClientCodeGen.Tests.Common/Build/Projects/SwaggerProjectFileContents.cs
index 2321b899aa..1eccefd423 100644
--- a/src/Core/ApiClientCodeGen.Tests.Common/Build/Projects/SwaggerProjectFileContents.cs
+++ b/src/Core/ApiClientCodeGen.Tests.Common/Build/Projects/SwaggerProjectFileContents.cs
@@ -8,7 +8,7 @@ public static class SwaggerProjectFileContents
net8.0
-
+
@@ -21,7 +21,7 @@ public static class SwaggerProjectFileContents
netstandard2.0
-
+
@@ -46,7 +46,7 @@ public static class SwaggerProjectFileContents
-
+
diff --git a/test/GeneratedCode/SwaggerCodegen/Net462/Net462.csproj b/test/GeneratedCode/SwaggerCodegen/Net462/Net462.csproj
index fe62e0d629..627ebcdf15 100644
--- a/test/GeneratedCode/SwaggerCodegen/Net462/Net462.csproj
+++ b/test/GeneratedCode/SwaggerCodegen/Net462/Net462.csproj
@@ -15,7 +15,7 @@
-
+
diff --git a/test/GeneratedCode/SwaggerCodegen/Net472/Net472.csproj b/test/GeneratedCode/SwaggerCodegen/Net472/Net472.csproj
index 5e9a89cdb0..857e789bdf 100644
--- a/test/GeneratedCode/SwaggerCodegen/Net472/Net472.csproj
+++ b/test/GeneratedCode/SwaggerCodegen/Net472/Net472.csproj
@@ -15,7 +15,7 @@
-
+
diff --git a/test/GeneratedCode/SwaggerCodegen/Net48/Net48.csproj b/test/GeneratedCode/SwaggerCodegen/Net48/Net48.csproj
index 69817946af..bc56bf607a 100644
--- a/test/GeneratedCode/SwaggerCodegen/Net48/Net48.csproj
+++ b/test/GeneratedCode/SwaggerCodegen/Net48/Net48.csproj
@@ -15,7 +15,7 @@
-
+
diff --git a/test/GeneratedCode/SwaggerCodegen/Net481/Net481.csproj b/test/GeneratedCode/SwaggerCodegen/Net481/Net481.csproj
index cf8a0f2969..871ac4a431 100644
--- a/test/GeneratedCode/SwaggerCodegen/Net481/Net481.csproj
+++ b/test/GeneratedCode/SwaggerCodegen/Net481/Net481.csproj
@@ -15,7 +15,7 @@
-
+
diff --git a/test/GeneratedCode/SwaggerCodegen/Net6/Net6.csproj b/test/GeneratedCode/SwaggerCodegen/Net6/Net6.csproj
index 66de738e14..087218cd7e 100644
--- a/test/GeneratedCode/SwaggerCodegen/Net6/Net6.csproj
+++ b/test/GeneratedCode/SwaggerCodegen/Net6/Net6.csproj
@@ -3,7 +3,7 @@
net6.0
-
+
diff --git a/test/GeneratedCode/SwaggerCodegen/Net7/Net7.csproj b/test/GeneratedCode/SwaggerCodegen/Net7/Net7.csproj
index 2760088e69..aea2cf5519 100644
--- a/test/GeneratedCode/SwaggerCodegen/Net7/Net7.csproj
+++ b/test/GeneratedCode/SwaggerCodegen/Net7/Net7.csproj
@@ -3,7 +3,7 @@
net7.0
-
+
diff --git a/test/GeneratedCode/SwaggerCodegen/NetStandard20/NetStandard20.csproj b/test/GeneratedCode/SwaggerCodegen/NetStandard20/NetStandard20.csproj
index 69007c8e65..97b0a3e287 100644
--- a/test/GeneratedCode/SwaggerCodegen/NetStandard20/NetStandard20.csproj
+++ b/test/GeneratedCode/SwaggerCodegen/NetStandard20/NetStandard20.csproj
@@ -3,7 +3,7 @@
netstandard2.0
-
+
diff --git a/test/GeneratedCode/SwaggerCodegen/NetStandard21/NetStandard21.csproj b/test/GeneratedCode/SwaggerCodegen/NetStandard21/NetStandard21.csproj
index 112a96cc63..9f5d3d9383 100644
--- a/test/GeneratedCode/SwaggerCodegen/NetStandard21/NetStandard21.csproj
+++ b/test/GeneratedCode/SwaggerCodegen/NetStandard21/NetStandard21.csproj
@@ -3,7 +3,7 @@
netstandard2.1
-
+