diff --git a/.github/workflows/log4net-dotnetcore.yml b/.github/workflows/log4net-dotnetcore.yml
index f3f54fc6..e89fc046 100644
--- a/.github/workflows/log4net-dotnetcore.yml
+++ b/.github/workflows/log4net-dotnetcore.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        dotnet: [ '1.1.x', '2.1.x', '3.1.x', '3.5.x', '5.0.x' ]
+        dotnet: [ '1.1.x', '2.1.x', '3.1.x', '5.0.x' ]
     name: Dotnet ${{ matrix.dotnet }} log4net build
     steps:
       - uses: actions/checkout@v3