diff --git a/.github/workflows/build-debug.yml b/.github/workflows/build-debug.yml
index 87bafe8..6fa7d4f 100644
--- a/.github/workflows/build-debug.yml
+++ b/.github/workflows/build-debug.yml
@@ -15,8 +15,4 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: Cysharp/Actions/.github/actions/setup-dotnet@main
-        with:
-          dotnet-version: |
-            5.0.x
-            6.0.x
       - run: dotnet build -c Debug
diff --git a/.github/workflows/build-release.yml b/.github/workflows/build-release.yml
index 466e1fd..4ba5ef7 100644
--- a/.github/workflows/build-release.yml
+++ b/.github/workflows/build-release.yml
@@ -23,10 +23,6 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: Cysharp/Actions/.github/actions/setup-dotnet@main
-        with:
-          dotnet-version: |
-            5.0.x
-            6.0.x
       # pack nuget
       - run: dotnet build -c Release -p:Version=${{ env.GIT_TAG }}
       - run: dotnet pack -c Release --no-build -p:Version=${{ env.GIT_TAG }} -o ./publish