diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1128192..7413985 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -16,7 +16,6 @@ jobs:
         # Test oldest and most current supported versions, per:
         # https://dotnet.microsoft.com/en-us/platform/support/policy/dotnet-core
         dotnet-version:
-          - '6.x'
           - '8.x'
     steps:
 
diff --git a/dotnet/CASE2GeoJSON.csproj b/dotnet/CASE2GeoJSON.csproj
index 8585a09..2362f1e 100644
--- a/dotnet/CASE2GeoJSON.csproj
+++ b/dotnet/CASE2GeoJSON.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>