diff --git a/src/WorkflowEngine.Core/WorkflowEngine.Core.csproj b/src/WorkflowEngine.Core/WorkflowEngine.Core.csproj
index 13be400..6bfcbf7 100644
--- a/src/WorkflowEngine.Core/WorkflowEngine.Core.csproj
+++ b/src/WorkflowEngine.Core/WorkflowEngine.Core.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>netcoreapp3.1;net6.0;net8.0</TargetFrameworks>
+        <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
 		
         <PackageId>Delegate.WorkflowEngine.Core</PackageId>
         <Authors>Delegate A/S</Authors>
diff --git a/src/WorkflowEngine.Hangfire/WorkflowEngine.Hangfire.csproj b/src/WorkflowEngine.Hangfire/WorkflowEngine.Hangfire.csproj
index 9ffd069..a0c47e2 100644
--- a/src/WorkflowEngine.Hangfire/WorkflowEngine.Hangfire.csproj
+++ b/src/WorkflowEngine.Hangfire/WorkflowEngine.Hangfire.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>netcoreapp3.1;net6.0;net8.0</TargetFrameworks>
+        <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
 
         <PackageId>Delegate.WorkflowEngine.Hangfire</PackageId>
         <Authors>Delegate A/S</Authors>