diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8a9b54542..036ab1f29 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -32,8 +32,7 @@ jobs:
       uses: actions/setup-dotnet@v2
       with:
         dotnet-version: |
-          6.0.x
-          7.0.x
+          8.0.100-preview.5.23303.2
     
     - run: dotnet --info
     
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 998b06c00..8a00a8070 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -41,8 +41,7 @@ jobs:
       uses: actions/setup-dotnet@v2
       with:
         dotnet-version: |
-          6.0.x
-          7.0.x
+          8.0.100-preview.5.23303.2
       
     - run: dotnet --info
 
diff --git a/Directory.Build.props b/Directory.Build.props
index 93bff01f3..da2c5d3d0 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -29,7 +29,10 @@
 
     <PropertyGroup>
         <MinVerAutoIncrement>minor</MinVerAutoIncrement>
-        <TreatWarningsAsErrors>True</TreatWarningsAsErrors>
+<!--        <TreatWarningsAsErrors>True</TreatWarningsAsErrors>-->
         <!--<WarningsNotAsErrors>9057</WarningsNotAsErrors>-->
+
+        <!-- Errors in .NET 8-->
+<!--        <WarningsNotAsErrors>CS0618,ASP0019</WarningsNotAsErrors>-->
     </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/Directory.Build.targets b/Directory.Build.targets
index 74495eb30..6e5b7df2b 100644
--- a/Directory.Build.targets
+++ b/Directory.Build.targets
@@ -14,6 +14,13 @@
         <WilsonVersion>6.15.1</WilsonVersion>
     </PropertyGroup>
 
+    <PropertyGroup Condition=" '$(TargetFramework)' == 'net8.0'">
+        <FrameworkVersion>8.0.0-preview.5.23302.2</FrameworkVersion>
+        <ExtensionsVersion>8.0.0-preview.5.23280.8</ExtensionsVersion>
+        <EntityFrameworkVersion>8.0.0-preview.5.23280.1</EntityFrameworkVersion>
+        <WilsonVersion>6.15.1</WilsonVersion>
+    </PropertyGroup>
+
     <ItemGroup>
         <!--our stuff -->
         <PackageReference Update="IdentityModel" Version="6.1.0"/>
diff --git a/global.json b/global.json
index 30e2afcae..1451ba609 100644
--- a/global.json
+++ b/global.json
@@ -1,7 +1,7 @@
 {
   "sdk": {
-    "version": "7.0.100",
+    "version": "8.0.100-preview.5.23303.2",
     "rollForward": "latestMajor",
-    "allowPrerelease": false
+    "allowPrerelease": true
   }
 }
\ No newline at end of file
diff --git a/hosts/AspNetIdentity/Host.AspNetIdentity.csproj b/hosts/AspNetIdentity/Host.AspNetIdentity.csproj
index dc5bd2a97..f414a5989 100644
--- a/hosts/AspNetIdentity/Host.AspNetIdentity.csproj
+++ b/hosts/AspNetIdentity/Host.AspNetIdentity.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
     <PropertyGroup>
-        <TargetFramework>net6.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <RootNamespace>IdentityServerHost</RootNamespace>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
diff --git a/hosts/Configuration/Host.Configuration.csproj b/hosts/Configuration/Host.Configuration.csproj
index fdc0f9c92..8e0d65ac8 100644
--- a/hosts/Configuration/Host.Configuration.csproj
+++ b/hosts/Configuration/Host.Configuration.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
     <PropertyGroup>
-        <TargetFramework>net6.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <AspNetCoreHostingModel>InProcess</AspNetCoreHostingModel>
         <RootNamespace>IdentityServerHost</RootNamespace>
         <UserSecretsId>e60c119c-8b86-4016-9d44-80e25948dbba</UserSecretsId>
diff --git a/hosts/EntityFramework/Host.EntityFramework.csproj b/hosts/EntityFramework/Host.EntityFramework.csproj
index 593039444..1748e7cb8 100644
--- a/hosts/EntityFramework/Host.EntityFramework.csproj
+++ b/hosts/EntityFramework/Host.EntityFramework.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
     <PropertyGroup>
-        <TargetFramework>net6.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <RootNamespace>IdentityServerHost</RootNamespace>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
diff --git a/hosts/main/Host.Main.csproj b/hosts/main/Host.Main.csproj
index 5c605e692..638a61bf7 100644
--- a/hosts/main/Host.Main.csproj
+++ b/hosts/main/Host.Main.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
     <PropertyGroup>
-        <TargetFramework>net6.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <AspNetCoreHostingModel>InProcess</AspNetCoreHostingModel>
         <RootNamespace>IdentityServerHost</RootNamespace>
         <UserSecretsId>e60c119c-8b86-4016-9d44-80e25948dbba</UserSecretsId>
diff --git a/hosts/main7/Host.Main7.csproj b/hosts/main7/Host.Main7.csproj
index 3cf11325c..7cc58582a 100644
--- a/hosts/main7/Host.Main7.csproj
+++ b/hosts/main7/Host.Main7.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <AspNetCoreHostingModel>InProcess</AspNetCoreHostingModel>
         <RootNamespace>IdentityServerHost</RootNamespace>
         <UserSecretsId>e60c119c-8b86-4016-9d44-80e25948dbba</UserSecretsId>
diff --git a/migrations/AspNetIdentityDb/AspNetIdentityDb.csproj b/migrations/AspNetIdentityDb/AspNetIdentityDb.csproj
index 7412cfb75..273a74124 100644
--- a/migrations/AspNetIdentityDb/AspNetIdentityDb.csproj
+++ b/migrations/AspNetIdentityDb/AspNetIdentityDb.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
     <PropertyGroup>
-        <TargetFramework>net6.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/migrations/IdentityServerDb/IdentityServerDb.csproj b/migrations/IdentityServerDb/IdentityServerDb.csproj
index 304dfdf74..d73eb8689 100644
--- a/migrations/IdentityServerDb/IdentityServerDb.csproj
+++ b/migrations/IdentityServerDb/IdentityServerDb.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
     <PropertyGroup>
-        <TargetFramework>net6.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/src/AspNetIdentity/Duende.IdentityServer.AspNetIdentity.csproj b/src/AspNetIdentity/Duende.IdentityServer.AspNetIdentity.csproj
index 0bba2e05e..72a4bbbc6 100644
--- a/src/AspNetIdentity/Duende.IdentityServer.AspNetIdentity.csproj
+++ b/src/AspNetIdentity/Duende.IdentityServer.AspNetIdentity.csproj
@@ -2,7 +2,7 @@
 
     <PropertyGroup>
         <PackageId>Duende.IdentityServer.AspNetIdentity</PackageId>
-        <TargetFrameworks>net6.0;net7.0</TargetFrameworks>
+        <TargetFramework>net8.0</TargetFramework>
 
         <Description>ASP.NET Core Identity Integration for Duende IdentityServer</Description>
         <AssemblyName>Duende.IdentityServer.AspNetIdentity</AssemblyName>
diff --git a/src/Configuration.EntityFramework/Duende.IdentityServer.Configuration.EntityFramework.csproj b/src/Configuration.EntityFramework/Duende.IdentityServer.Configuration.EntityFramework.csproj
index f4415b129..cbae97746 100644
--- a/src/Configuration.EntityFramework/Duende.IdentityServer.Configuration.EntityFramework.csproj
+++ b/src/Configuration.EntityFramework/Duende.IdentityServer.Configuration.EntityFramework.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net7.0</TargetFrameworks>
+      <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
diff --git a/src/Configuration/Duende.IdentityServer.Configuration.csproj b/src/Configuration/Duende.IdentityServer.Configuration.csproj
index b7cbb1b47..eb5982b77 100644
--- a/src/Configuration/Duende.IdentityServer.Configuration.csproj
+++ b/src/Configuration/Duende.IdentityServer.Configuration.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>net6.0;net7.0</TargetFrameworks>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
         <Description>Configuration system for Duende IdentityServer</Description>
diff --git a/src/EntityFramework.Storage/Duende.IdentityServer.EntityFramework.Storage.csproj b/src/EntityFramework.Storage/Duende.IdentityServer.EntityFramework.Storage.csproj
index 1f87c4624..82e78c0c4 100644
--- a/src/EntityFramework.Storage/Duende.IdentityServer.EntityFramework.Storage.csproj
+++ b/src/EntityFramework.Storage/Duende.IdentityServer.EntityFramework.Storage.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
         <PackageId>Duende.IdentityServer.EntityFramework.Storage</PackageId>
-        <TargetFrameworks>net6.0;net7.0</TargetFrameworks>
+        <TargetFramework>net8.0</TargetFramework>
 
         <Description>EntityFramework persistence layer for Duende IdentityServer</Description>
         <GenerateDocumentationFile>true</GenerateDocumentationFile>
diff --git a/src/EntityFramework/Duende.IdentityServer.EntityFramework.csproj b/src/EntityFramework/Duende.IdentityServer.EntityFramework.csproj
index aec5882a5..af0951f3a 100644
--- a/src/EntityFramework/Duende.IdentityServer.EntityFramework.csproj
+++ b/src/EntityFramework/Duende.IdentityServer.EntityFramework.csproj
@@ -2,7 +2,7 @@
 
     <PropertyGroup>
         <PackageId>Duende.IdentityServer.EntityFramework</PackageId>
-        <TargetFrameworks>net6.0;net7.0</TargetFrameworks>
+        <TargetFramework>net8.0</TargetFramework>
 
         <Description>EntityFramework persistence layer for Duende IdentityServer</Description>
         <AssemblyName>Duende.IdentityServer.EntityFramework</AssemblyName>
diff --git a/src/IdentityServer/Duende.IdentityServer.csproj b/src/IdentityServer/Duende.IdentityServer.csproj
index 576cebba9..f8bb6151c 100644
--- a/src/IdentityServer/Duende.IdentityServer.csproj
+++ b/src/IdentityServer/Duende.IdentityServer.csproj
@@ -2,7 +2,7 @@
 
     <PropertyGroup>
         <PackageId>Duende.IdentityServer</PackageId>
-        <TargetFrameworks>net6.0;net7.0</TargetFrameworks>
+        <TargetFramework>net8.0</TargetFramework>
 
         <Description>OpenID Connect and OAuth 2.0 Framework for ASP.NET Core</Description>
 
diff --git a/src/IdentityServer/Validation/Default/JwtBearerClientAssertionSecretParser.cs b/src/IdentityServer/Validation/Default/JwtBearerClientAssertionSecretParser.cs
index 73ed99b9d..6989cbe74 100644
--- a/src/IdentityServer/Validation/Default/JwtBearerClientAssertionSecretParser.cs
+++ b/src/IdentityServer/Validation/Default/JwtBearerClientAssertionSecretParser.cs
@@ -110,9 +110,9 @@ public class JwtBearerClientAssertionSecretParser : ISecretParser
             var jwt = new JwtSecurityToken(token);
             return jwt.Subject;
         }
-        catch (Exception e)
+        catch
         {
-            _logger.LogWarning("Could not parse client assertion", e);
+            _logger.LogWarning("Could not parse client assertion");
             return null;
         }
     }
diff --git a/src/Storage/Duende.IdentityServer.Storage.csproj b/src/Storage/Duende.IdentityServer.Storage.csproj
index 351298af6..8be99440b 100644
--- a/src/Storage/Duende.IdentityServer.Storage.csproj
+++ b/src/Storage/Duende.IdentityServer.Storage.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>net6.0;net7.0</TargetFrameworks>
+        <TargetFramework>net8.0</TargetFramework>
 
         <PackageId>Duende.IdentityServer.Storage</PackageId>
         <Description>Storage interfaces and models for Duende IdentityServer</Description>
diff --git a/test/Configuration.IntegrationTests/Configuration.IntegrationTests.csproj b/test/Configuration.IntegrationTests/Configuration.IntegrationTests.csproj
index dea5c189a..dec9c2c78 100644
--- a/test/Configuration.IntegrationTests/Configuration.IntegrationTests.csproj
+++ b/test/Configuration.IntegrationTests/Configuration.IntegrationTests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net7.0</TargetFrameworks>
+      <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
diff --git a/test/EntityFramework.Storage.IntegrationTests/EntityFramework.Storage.IntegrationTests.csproj b/test/EntityFramework.Storage.IntegrationTests/EntityFramework.Storage.IntegrationTests.csproj
index aef3927d1..62c23f4dd 100644
--- a/test/EntityFramework.Storage.IntegrationTests/EntityFramework.Storage.IntegrationTests.csproj
+++ b/test/EntityFramework.Storage.IntegrationTests/EntityFramework.Storage.IntegrationTests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>net6.0;net7.0</TargetFrameworks>
+        <TargetFramework>net8.0</TargetFramework>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/test/EntityFramework.Storage.UnitTests/EntityFramework.Storage.UnitTests.csproj b/test/EntityFramework.Storage.UnitTests/EntityFramework.Storage.UnitTests.csproj
index 7aac66693..40deba925 100644
--- a/test/EntityFramework.Storage.UnitTests/EntityFramework.Storage.UnitTests.csproj
+++ b/test/EntityFramework.Storage.UnitTests/EntityFramework.Storage.UnitTests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>net6.0;net7.0</TargetFrameworks>
+        <TargetFramework>net8.0</TargetFramework>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/test/EntityFramework.Tests/EntityFramework.Tests.csproj b/test/EntityFramework.Tests/EntityFramework.Tests.csproj
index 12d76b9fb..4aa8919c2 100644
--- a/test/EntityFramework.Tests/EntityFramework.Tests.csproj
+++ b/test/EntityFramework.Tests/EntityFramework.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>net6.0;net7.0</TargetFrameworks>
+        <TargetFramework>net8.0</TargetFramework>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/test/IdentityServer.IntegrationTests/IdentityServer.IntegrationTests.csproj b/test/IdentityServer.IntegrationTests/IdentityServer.IntegrationTests.csproj
index 2b42e315b..ad85719e2 100644
--- a/test/IdentityServer.IntegrationTests/IdentityServer.IntegrationTests.csproj
+++ b/test/IdentityServer.IntegrationTests/IdentityServer.IntegrationTests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>net6.0;net7.0</TargetFrameworks>
+        <TargetFramework>net8.0</TargetFramework>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/test/IdentityServer.UnitTests/IdentityServer.UnitTests.csproj b/test/IdentityServer.UnitTests/IdentityServer.UnitTests.csproj
index 71748f97b..7a58da61f 100644
--- a/test/IdentityServer.UnitTests/IdentityServer.UnitTests.csproj
+++ b/test/IdentityServer.UnitTests/IdentityServer.UnitTests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>net6.0;net7.0</TargetFrameworks>
+        <TargetFramework>net8.0</TargetFramework>
     </PropertyGroup>
 
     <ItemGroup>