diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fdf84a1..23712e3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-dotnet@v1
         with:
-          dotnet-version: '6.0.x'
+          dotnet-version: '8.0.x'
           include-prerelease: true
       - name: Download Native
         run: ./Scripts/Download-Devel win-x64
@@ -29,7 +29,7 @@ jobs:
           name: win-x64
           path: MKL.NET.Native/bin/build/win-x64/Release/MKL.NET.Native.dll
       - name: Test
-        run: dotnet run --project Tests -c Release -f net6.0 -r win-x64 --no-self-contained -- -perf --info --nost --time 60 --wait 10 --skip
+        run: dotnet run --project Tests -c Release -f net8.0 -r win-x64 --no-self-contained -- -perf --info --nost --time 60 --wait 10 --skip
   linux_core_64:
       runs-on: ubuntu-latest
       env:
@@ -39,7 +39,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-dotnet@v1
         with:
-          dotnet-version: '6.0.x'
+          dotnet-version: '8.0.x'
           include-prerelease: true
       - name: Download Native
         shell: pwsh
@@ -55,9 +55,9 @@ jobs:
           name: linux-x64
           path: MKL.NET.Native/bin/build/linux-x64/MKL.NET.Native.so
       - name: Test
-        run: dotnet run --project Tests -c Release -f net6.0 -r linux-x64 --no-self-contained -- -perf --info --nost --time 60 --wait 10 --memo 130 --skip
+        run: dotnet run --project Tests -c Release -f net8.0 -r linux-x64 --no-self-contained -- -perf --info --nost --time 60 --wait 10 --memo 130 --skip
   osx_core_64:
-      runs-on: macos-13
+      runs-on: macos-15-intel
       env:
         DOTNET_NOLOGO: true
         DOTNET_CLI_TELEMETRY_OPTOUT: true
@@ -65,7 +65,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-dotnet@v1
         with:
-          dotnet-version: '6.0.x'
+          dotnet-version: '8.0.x'
           include-prerelease: true
       - name: Download Native
         shell: pwsh
@@ -81,4 +81,4 @@ jobs:
           name: osx-x64
           path: MKL.NET.Native/bin/build/osx-x64/MKL.NET.Native.dylib
       - name: Test
-        run: dotnet run --project Tests -c Release -f net6.0 -r osx-x64 --no-self-contained -- -perf --info --nost --time 60 --wait 10 --skip
\ No newline at end of file
+        run: dotnet run --project Tests -c Release -f net8.0 -r osx-x64 --no-self-contained -- -perf --info --nost --time 60 --wait 10 --skip
\ No newline at end of file
diff --git a/MKL.NET.Matrix/MKL.NET.Matrix.csproj b/MKL.NET.Matrix/MKL.NET.Matrix.csproj
index c075de0..401317b 100644
--- a/MKL.NET.Matrix/MKL.NET.Matrix.csproj
+++ b/MKL.NET.Matrix/MKL.NET.Matrix.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
+        <TargetFrameworks>netstandard2.0;net8.0</TargetFrameworks>
         <LangVersion>10.0</LangVersion>
         <Nullable>enable</Nullable>
         <WarningLevel>5</WarningLevel>
diff --git a/MKL.NET.Optimization/MKL.NET.Optimization.csproj b/MKL.NET.Optimization/MKL.NET.Optimization.csproj
index 5186cf9..b09d4ee 100644
--- a/MKL.NET.Optimization/MKL.NET.Optimization.csproj
+++ b/MKL.NET.Optimization/MKL.NET.Optimization.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
+        <TargetFrameworks>netstandard2.0;net8.0</TargetFrameworks>
         <LangVersion>10.0</LangVersion>
         <Nullable>enable</Nullable>
         <WarningLevel>5</WarningLevel>
diff --git a/MKL.NET.Statistics/MKL.NET.Statistics.csproj b/MKL.NET.Statistics/MKL.NET.Statistics.csproj
index 0638b77..8414aeb 100644
--- a/MKL.NET.Statistics/MKL.NET.Statistics.csproj
+++ b/MKL.NET.Statistics/MKL.NET.Statistics.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
+        <TargetFrameworks>netstandard2.0;net8.0</TargetFrameworks>
         <LangVersion>10.0</LangVersion>
         <Nullable>enable</Nullable>
         <WarningLevel>5</WarningLevel>
diff --git a/MKL.NET.WrapperGenerator.Tests/MKL.NET.WrapperGenerator.Tests.csproj b/MKL.NET.WrapperGenerator.Tests/MKL.NET.WrapperGenerator.Tests.csproj
index 4a44837..004e312 100644
--- a/MKL.NET.WrapperGenerator.Tests/MKL.NET.WrapperGenerator.Tests.csproj
+++ b/MKL.NET.WrapperGenerator.Tests/MKL.NET.WrapperGenerator.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <Nullable>enable</Nullable>
 
     <IsPackable>false</IsPackable>
diff --git a/MKL.NET/MKL.NET.csproj b/MKL.NET/MKL.NET.csproj
index 6c585ae..ba73486 100644
--- a/MKL.NET/MKL.NET.csproj
+++ b/MKL.NET/MKL.NET.csproj
@@ -20,10 +20,10 @@
         <DelaySign>false</DelaySign>
         <AssemblyOriginatorKeyFile>../SigningKey.snk</AssemblyOriginatorKeyFile>
         <PackageReleaseNotes>
-Enable 2d FFT. Thanks minghao-guo.
+Use AnyCPU for reference assembly.
         </PackageReleaseNotes>
         <PackageReadmeFile>README.md</PackageReadmeFile>
-        <Version>1.6.0</Version>
+        <Version>1.7.0</Version>
     </PropertyGroup>
     <ItemGroup>
         <None Include="../matrix.png" Pack="true" PackagePath="" Visible="False" />
diff --git a/Tests/Optimize.CalculusTests.fs b/Tests/Optimize.CalculusTests.fs
index 8a33d0f..4833fb8 100644
--- a/Tests/Optimize.CalculusTests.fs
+++ b/Tests/Optimize.CalculusTests.fs
@@ -109,10 +109,10 @@ let all =
                 let struct (F, G, H, Min, Max) = problems[i]
                 let check1 = Seq.forall (fun r ->
                                 Optimize.Derivative_Check(1e-8, 1e-5, F, G, Min * r + Max * (1.0 - r), 0.1)
-                             ) {0.01..0.01..0.99}
+                             ) (seq {0.01..0.01..0.99})
                 let check2 = Seq.forall (fun r ->
                                 Optimize.Derivative_Check(1e-8, 1e-5, G, H, Min * r + Max * (1.0 - r), 0.1)
-                             ) {0.01..0.01..0.99}
+                             ) (seq {0.01..0.01..0.99})
                 Check.isTrue (check1 && check2) |> Check.message "%i %f %f" i Min Max
         }
     }
\ No newline at end of file
diff --git a/Tests/TestFramework.fs b/Tests/TestFramework.fs
index 073f7d7..d43bf40 100644
--- a/Tests/TestFramework.fs
+++ b/Tests/TestFramework.fs
@@ -272,7 +272,7 @@ type FasterAggregation =
     val Message : string
     val Result : FasterResult
     val mutable Error : bool
-    new(message:string) = {Message=message;Result=FasterResult(10.0);Error=false}
+    new(message:string) = {Message=message;Result=FasterResult(10.0,1);Error=false}
 
 type TestResult =
     | Success
diff --git a/Tests/Tests.fsproj b/Tests/Tests.fsproj
index 144fb5a..e0272bd 100644
--- a/Tests/Tests.fsproj
+++ b/Tests/Tests.fsproj
@@ -1,14 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
         <OutputType>Exe</OutputType>
-        <TargetFrameworks>net6.0</TargetFrameworks>
+        <TargetFrameworks>net8.0</TargetFrameworks>
         <LangVersion>preview</LangVersion>
         <RuntimeIdentifier>win-x64</RuntimeIdentifier>
         <SelfContained>false</SelfContained>
     </PropertyGroup>
     <ItemGroup>
         <PackageReference Update="FSharp.Core" Version="7.0.0" />
-        <PackageReference Include="CsCheck" Version="3.1.0" />
+        <PackageReference Include="CsCheck" Version="4.5.0" />
         <!--<PackageReference Include="MKL.NET" Version="1.1.0" />-->
         <ProjectReference Include="../MKL.NET/MKL.NET.csproj" />
         <ProjectReference Include="../MKL.NET.Matrix/MKL.NET.Matrix.csproj" />
diff --git a/TestsCSharp/TestsCSharp.csproj b/TestsCSharp/TestsCSharp.csproj
index 8f17f72..37679fe 100644
--- a/TestsCSharp/TestsCSharp.csproj
+++ b/TestsCSharp/TestsCSharp.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFrameworks>net6.0;netstandard2.0</TargetFrameworks>
+        <TargetFrameworks>net8.0;netstandard2.0</TargetFrameworks>
         <LangVersion>10.0</LangVersion>
         <Nullable>enable</Nullable>
         <WarningLevel>5</WarningLevel>