diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ab26127..27a9687 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -25,7 +25,7 @@ jobs:
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: 5.0.103
+        dotnet-version: 6.0.100
     - name: Build
       run: |
         dotnet build "src/fhir-tool-core/fhir-tool-core.csproj" --configuration Release
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index ae9f8d5..565b28d 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -10,7 +10,7 @@ jobs:
       - name: Setup .NET Core
         uses: actions/setup-dotnet@v1
         with:
-          dotnet-version: 5.0.103
+          dotnet-version: 6.0.100
       - name: Build
         run: |
           dotnet pack "src/fhir-tool-core/fhir-tool-core.csproj" -c Release
diff --git a/fhir-tool.sln b/fhir-tool.sln
index 08e7ad8..ec7f7af 100644
--- a/fhir-tool.sln
+++ b/fhir-tool.sln
@@ -20,6 +20,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "workflows", "workflows", "{
 	ProjectSection(SolutionItems) = preProject
 		.github\workflows\build.yml = .github\workflows\build.yml
 		.github\workflows\deploy.yml = .github\workflows\deploy.yml
+		.github\workflows\codeql-analysis.yml = .github\workflows\codeql-analysis.yml
 	EndProjectSection
 EndProject
 Global
diff --git a/src/fhir-tool-core/fhir-tool-core.csproj b/src/fhir-tool-core/fhir-tool-core.csproj
index abb6012..456cb8f 100644
--- a/src/fhir-tool-core/fhir-tool-core.csproj
+++ b/src/fhir-tool-core/fhir-tool-core.csproj
@@ -18,9 +18,9 @@
     <PackageReference Include="IdentityModel" Version="5.2.0" />
     <PackageReference Include="JUST.net" Version="4.2.0" />
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
-    <PackageReference Include="Microsoft.Extensions.Logging" Version="5.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="6.0.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
-    <PackageReference Include="NuGet.Versioning" Version="5.11.0" />
+    <PackageReference Include="NuGet.Versioning" Version="6.0.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/fhir-tool/FhirTool.csproj b/src/fhir-tool/FhirTool.csproj
index 00ee59f..4a3135c 100644
--- a/src/fhir-tool/FhirTool.csproj
+++ b/src/fhir-tool/FhirTool.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net5.0</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <OutputType>Exe</OutputType>
     <AssemblyName>fhir-tool</AssemblyName>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
@@ -32,10 +32,10 @@
       <Version>2.0.3</Version>
     </PackageReference>
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration" Version="5.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="5.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="5.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="5.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration" Version="6.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="6.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="6.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="6.0.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\fhir-tool-core\fhir-tool-core.csproj" />