diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8c3dfbb2..f5fda5aa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+# 1.3.1 (30 September 2020)
+- [#509](https://github.com/WireMock-Net/WireMock.Net/pull/509) - Adding netcoreapp3.1 as a target framework [feature] contributed by [APIWT](https://github.com/APIWT)
+
 # 1.3.0 (29 September 2020)
 - [#508](https://github.com/WireMock-Net/WireMock.Net/pull/508) - Fix vulnerability in NuGet dependencies contributed by [StefH](https://github.com/StefH)
 - [#327](https://github.com/WireMock-Net/WireMock.Net/issues/327) - Index must be within the bounds of the List - Bug [bug]
diff --git a/Directory.Build.props b/Directory.Build.props
index 725c1e13..f19200ea 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -4,7 +4,7 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <VersionPrefix>1.3.0</VersionPrefix>
+    <VersionPrefix>1.3.1</VersionPrefix>
     <PackageReleaseNotes>See CHANGELOG.md</PackageReleaseNotes>
     <PackageIconUrl>https://raw.githubusercontent.com/WireMock-Net/WireMock.Net/master/WireMock.Net-Logo.png</PackageIconUrl>
     <PackageProjectUrl>https://github.com/WireMock-Net/WireMock.Net</PackageProjectUrl>
diff --git a/GitHubReleaseNotes.txt b/GitHubReleaseNotes.txt
index 51a343c3..0eda58c0 100644
--- a/GitHubReleaseNotes.txt
+++ b/GitHubReleaseNotes.txt
@@ -1,3 +1,3 @@
 https://github.com/StefH/GitHubReleaseNotes
 
-GitHubReleaseNotes.exe --output CHANGELOG.md --skip-empty-releases --exclude-labels question invalid doc --version 1.3.0
\ No newline at end of file
+GitHubReleaseNotes.exe --output CHANGELOG.md --skip-empty-releases --exclude-labels question invalid doc --version 1.3.1
\ No newline at end of file
diff --git a/src/WireMock.Net.Abstractions/WireMock.Net.Abstractions.csproj b/src/WireMock.Net.Abstractions/WireMock.Net.Abstractions.csproj
index b91bb5af..f013e359 100644
--- a/src/WireMock.Net.Abstractions/WireMock.Net.Abstractions.csproj
+++ b/src/WireMock.Net.Abstractions/WireMock.Net.Abstractions.csproj
@@ -4,7 +4,7 @@
     <Description>Commonly used interfaces, models, enumerations and types.</Description>
     <AssemblyTitle>WireMock.Net.Abstractions</AssemblyTitle>
     <Authors>Stef Heyenrath</Authors>
-    <TargetFrameworks>netstandard1.0;netstandard2.0;netstandard2.1;net45</TargetFrameworks>
+    <TargetFrameworks>net45;netstandard1.0;netstandard2.0;netstandard2.1</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <AssemblyName>WireMock.Net.Abstractions</AssemblyName>
     <PackageId>WireMock.Net.Abstractions</PackageId>
diff --git a/src/WireMock.Net.FluentAssertions/WireMock.Net.FluentAssertions.csproj b/src/WireMock.Net.FluentAssertions/WireMock.Net.FluentAssertions.csproj
index 1c89aa71..96b5f09d 100644
--- a/src/WireMock.Net.FluentAssertions/WireMock.Net.FluentAssertions.csproj
+++ b/src/WireMock.Net.FluentAssertions/WireMock.Net.FluentAssertions.csproj
@@ -1,11 +1,10 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
-		<!--<Version>1.2.13-preview-01</Version>-->
 		<Description>FluentAssertions extensions for WireMock.Net</Description>
 		<AssemblyTitle>WireMock.Net.FluentAssertions</AssemblyTitle>
 		<Authors>Mahmoud Ali;Stef Heyenrath</Authors>
-		<TargetFrameworks>netstandard1.3;netstandard2.0;netstandard2.1;net451</TargetFrameworks>
+		<TargetFrameworks>net451;netstandard1.3;netstandard2.0;netstandard2.1</TargetFrameworks>
 		<GenerateDocumentationFile>true</GenerateDocumentationFile>
 		<AssemblyName>WireMock.Net.FluentAssertions</AssemblyName>
 		<PackageId>WireMock.Net.FluentAssertions</PackageId>
diff --git a/src/WireMock.Net.OpenApiParser/WireMock.Net.OpenApiParser.csproj b/src/WireMock.Net.OpenApiParser/WireMock.Net.OpenApiParser.csproj
index 0dc46ace..d1dd4c45 100644
--- a/src/WireMock.Net.OpenApiParser/WireMock.Net.OpenApiParser.csproj
+++ b/src/WireMock.Net.OpenApiParser/WireMock.Net.OpenApiParser.csproj
@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<Description>An OpenApi (swagger) parser to generate MappingModel or mapping.json file.</Description>
-		<TargetFrameworks>net46;netstandard2.0</TargetFrameworks>
+		<TargetFrameworks>net46;netstandard2.0;netstandard2.1</TargetFrameworks>
 		<GenerateDocumentationFile>true</GenerateDocumentationFile>
 		<PackageTags>wiremock;openapi;OAS;converter;parser;openapiparser</PackageTags>
 		<ProjectGuid>{D3804228-91F4-4502-9595-39584E5AADAD}</ProjectGuid>
diff --git a/src/WireMock.Net.RestClient/WireMock.Net.RestClient.csproj b/src/WireMock.Net.RestClient/WireMock.Net.RestClient.csproj
index d3d170f6..8c774036 100644
--- a/src/WireMock.Net.RestClient/WireMock.Net.RestClient.csproj
+++ b/src/WireMock.Net.RestClient/WireMock.Net.RestClient.csproj
@@ -4,7 +4,7 @@
     <Description>A RestClient using RestEase to access the admin interface.</Description>
     <AssemblyTitle>WireMock.Net.RestClient</AssemblyTitle>
     <Authors>Stef Heyenrath</Authors>
-    <TargetFrameworks>netstandard1.1;netstandard2.0;netstandard2.1;net45</TargetFrameworks>
+    <TargetFrameworks>net45;netstandard1.1;netstandard2.0;netstandard2.1</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <AssemblyName>WireMock.Net.RestClient</AssemblyName>
     <PackageId>WireMock.Net.RestClient</PackageId>