diff --git a/Digipost.Signature.Api.Client.Archive.Tests/Digipost.Signature.Api.Client.Archive.Tests.csproj b/Digipost.Signature.Api.Client.Archive.Tests/Digipost.Signature.Api.Client.Archive.Tests.csproj
index 318a5006..fec9265c 100644
--- a/Digipost.Signature.Api.Client.Archive.Tests/Digipost.Signature.Api.Client.Archive.Tests.csproj
+++ b/Digipost.Signature.Api.Client.Archive.Tests/Digipost.Signature.Api.Client.Archive.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-      <TargetFramework>netcoreapp3.1</TargetFramework>
+      <TargetFramework>net8.0</TargetFramework>
       <IsPackable>false</IsPackable>
     </PropertyGroup>
 
diff --git a/Digipost.Signature.Api.Client.Core.Tests/Digipost.Signature.Api.Client.Core.Tests.csproj b/Digipost.Signature.Api.Client.Core.Tests/Digipost.Signature.Api.Client.Core.Tests.csproj
index 510919f1..47a1ca73 100644
--- a/Digipost.Signature.Api.Client.Core.Tests/Digipost.Signature.Api.Client.Core.Tests.csproj
+++ b/Digipost.Signature.Api.Client.Core.Tests/Digipost.Signature.Api.Client.Core.Tests.csproj
@@ -23,7 +23,7 @@
   </ItemGroup>
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsPackable>false</IsPackable>
   </PropertyGroup>
 
diff --git a/Digipost.Signature.Api.Client.Direct.Tests/Digipost.Signature.Api.Client.Direct.Tests.csproj b/Digipost.Signature.Api.Client.Direct.Tests/Digipost.Signature.Api.Client.Direct.Tests.csproj
index 747111eb..6f91e797 100644
--- a/Digipost.Signature.Api.Client.Direct.Tests/Digipost.Signature.Api.Client.Direct.Tests.csproj
+++ b/Digipost.Signature.Api.Client.Direct.Tests/Digipost.Signature.Api.Client.Direct.Tests.csproj
@@ -20,7 +20,7 @@
   </ItemGroup>
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsPackable>false</IsPackable>
   </PropertyGroup>
 
diff --git a/Digipost.Signature.Api.Client.Portal.Tests/Digipost.Signature.Api.Client.Portal.Tests.csproj b/Digipost.Signature.Api.Client.Portal.Tests/Digipost.Signature.Api.Client.Portal.Tests.csproj
index a98d5b61..318942bb 100644
--- a/Digipost.Signature.Api.Client.Portal.Tests/Digipost.Signature.Api.Client.Portal.Tests.csproj
+++ b/Digipost.Signature.Api.Client.Portal.Tests/Digipost.Signature.Api.Client.Portal.Tests.csproj
@@ -22,7 +22,7 @@
     </ItemGroup>
 
     <PropertyGroup>
-        <TargetFramework>netcoreapp3.1</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <IsPackable>false</IsPackable>
     </PropertyGroup>
 
diff --git a/Digipost.Signature.Api.Client.Program/Digipost.Signature.Api.Client.Program.csproj b/Digipost.Signature.Api.Client.Program/Digipost.Signature.Api.Client.Program.csproj
index ef693b52..5c34a493 100644
--- a/Digipost.Signature.Api.Client.Program/Digipost.Signature.Api.Client.Program.csproj
+++ b/Digipost.Signature.Api.Client.Program/Digipost.Signature.Api.Client.Program.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
     
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <OutputType>Exe</OutputType>
   </PropertyGroup>