diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index db36c8d..a194b50 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -17,7 +17,7 @@ jobs:
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: 3.1.301
+        dotnet-version: 9.0.x
     - name: Install dependencies
       run: dotnet restore
     - name: Build
diff --git a/.github/workflows/publish-packages.yml b/.github/workflows/publish-packages.yml
index 5e26c4a..ac4354e 100644
--- a/.github/workflows/publish-packages.yml
+++ b/.github/workflows/publish-packages.yml
@@ -13,7 +13,7 @@ jobs:
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: 3.1.301
+        dotnet-version: 9.0.x
     - name: Test
       run: dotnet test --verbosity normal
     - name: Package library