diff --git a/.github/workflows/lang-csharp-efcore.yml b/.github/workflows/lang-csharp-efcore.yml
index 7d6b352c..ea198e0d 100644
--- a/.github/workflows/lang-csharp-efcore.yml
+++ b/.github/workflows/lang-csharp-efcore.yml
@@ -49,14 +49,20 @@ jobs:
         npgsql-version: [
           '8.*',
           '9.*',
+          '10.*',
+          'prerelease',
         ]
         cratedb-version: [ 'nightly' ]
 
-        # Npgsql.EntityFrameworkCore.PostgreSQL 10.0.0 needs .NET10.
-        include:
-          - dotnet-version: '10.x'
+        # Npgsql.EntityFrameworkCore.PostgreSQL 10.0.0 and higher needs .NET10.
+        exclude:
+          - dotnet-version: '8.x'
             npgsql-version: '10.*'
-          - dotnet-version: '10.x'
+          - dotnet-version: '8.x'
+            npgsql-version: 'prerelease'
+          - dotnet-version: '9.x'
+            npgsql-version: '10.*'
+          - dotnet-version: '9.x'
             npgsql-version: 'prerelease'
 
     # https://docs.github.com/en/free-pro-team@latest/actions/guides/about-service-containers