diff --git a/.gitignore b/.gitignore
index 56ac163..ca7731c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -327,3 +327,5 @@ ASALocalRun/
 
 # MFractors (Xamarin productivity tool) working folder 
 .mfractor/
+
+.vscode/
diff --git a/src/AK.PfxTool.csproj b/src/AK.PfxTool.csproj
index 29cad07..c33474b 100644
--- a/src/AK.PfxTool.csproj
+++ b/src/AK.PfxTool.csproj
@@ -1,14 +1,14 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
 	<OutputType>Exe</OutputType>
-	<TargetFramework>netcoreapp2.2</TargetFramework>
+	<TargetFramework>netcoreapp3.1</TargetFramework>
 	<RootNamespace>AK.PfxTool</RootNamespace>
 	<AssemblyName>pfxtool</AssemblyName>
-	<Version>1.0.0</Version>
+	<Version>1.0.1</Version>
 	<PackageId>pfxtool</PackageId>
 	<IsPackable>true</IsPackable>
 	<PackAsTool>true</PackAsTool>
-	<PackageVersion>1.0.0</PackageVersion>
+	<PackageVersion>1.0.1</PackageVersion>
 	<Authors>Aashish Koirala</Authors>
 	<Company>Aashish Koirala</Company>
 	<Product>PFX Tool</Product>
@@ -25,8 +25,8 @@
 	<PackageIconUrl>https://pfxtool.aashishkoirala.com/assets/favicon.ico</PackageIconUrl>
   </PropertyGroup>
   <ItemGroup>
-	<PackageReference Include="Microsoft.Extensions.Configuration" Version="2.2.0" />
-	<PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="2.2.0" />
-	<PackageReference Include="Microsoft.Extensions.Configuration.CommandLine" Version="2.2.0" />
+	<PackageReference Include="Microsoft.Extensions.Configuration" Version="3.1.0" />
+	<PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="3.1.0" />
+	<PackageReference Include="Microsoft.Extensions.Configuration.CommandLine" Version="3.1.0" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/test/AK.PfxTool.Tests.csproj b/test/AK.PfxTool.Tests.csproj
index 656e792..931cdbc 100644
--- a/test/AK.PfxTool.Tests.csproj
+++ b/test/AK.PfxTool.Tests.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-	<TargetFramework>netcoreapp2.2</TargetFramework>
+	<TargetFramework>netcoreapp3.1</TargetFramework>
 	<IsPackable>false</IsPackable>
   </PropertyGroup>
   <ItemGroup>