diff --git a/.github/workflows/build-debug.yml b/.github/workflows/build-debug.yml
index a9ee5dc..c0cf752 100644
--- a/.github/workflows/build-debug.yml
+++ b/.github/workflows/build-debug.yml
@@ -13,17 +13,14 @@ on:
 jobs:
   build-dotnet:
     runs-on: ubuntu-latest
-    env:
-      DOTNET_CLI_TELEMETRY_OPTOUT: 1
-      DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1
-      NUGET_XMLDOC_MODE: skip
+    timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-dotnet@v1.9.0
+      - uses: actions/checkout@v3
+      - uses: Cysharp/Actions/.github/actions/setup-dotnet@main
         with:
           dotnet-version: |
             3.1.x
             5.0.x
             6.0.x
-      - run: dotnet build src/WebSerializer -c Debug
-      - run: dotnet test tests/WebSerializer.Tests -c Debug < /dev/null
\ No newline at end of file
+      - run: dotnet build -c Debug
+      - run: dotnet test -c Debug
diff --git a/.github/workflows/build-release.yml b/.github/workflows/build-release.yml
index 62596f9..4be28da 100644
--- a/.github/workflows/build-release.yml
+++ b/.github/workflows/build-release.yml
@@ -6,52 +6,45 @@ on:
       tag:
         description: "tag: git tag you want create. (sample 1.0.0)"
         required: true
-      dry_run:
-        description: "dry_run: true will never create relase/nuget."
+      dry-run:
+        description: "dry-run: true will never create relase/nuget."
         required: true
-        default: "false"
+        default: false
+        type: boolean
 
 env:
   GIT_TAG: ${{ github.event.inputs.tag }}
-  DRY_RUN: ${{ github.event.inputs.dry_run }}
-  DRY_RUN_BRANCH_PREFIX: "test_release"
+  DRY_RUN: ${{ github.event.inputs.dry-run }}
 
 jobs:
   build-dotnet:
     runs-on: ubuntu-latest
     timeout-minutes: 10
-    env:
-      DOTNET_CLI_TELEMETRY_OPTOUT: 1
-      DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1
-      NUGET_XMLDOC_MODE: skip
     steps:
       - run: echo ${{ needs.update-packagejson.outputs.sha }}
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           ref: ${{ needs.update-packagejson.outputs.sha }}
-      - uses: actions/setup-dotnet@v1.9.0
+      - uses: Cysharp/Actions/.github/actions/setup-dotnet@main
         with:
           dotnet-version: |
             3.1.x
             5.0.x
             6.0.x
-      - run: dotnet build src/WebSerializer -c Release -p:Version=${{ env.GIT_TAG }}
-      - run: dotnet test tests/WebSerializer.Tests -c Release --no-build
-      - run: dotnet pack ./src/WebSerializer/WebSerializer.csproj -c Release --no-build -p:Version=${{ env.GIT_TAG }} -o ./publish
+      - run: dotnet build -c Release -p:Version=${{ env.GIT_TAG }}
+      - run: dotnet test -c Release --no-build
+      - run: dotnet pack -c Release --no-build -p:Version=${{ env.GIT_TAG }} -o ./publish
       # Store artifacts.
-      - uses: actions/upload-artifact@v1
+      - uses: actions/upload-artifact@v2
         with:
           name: nuget
           path: ./publish/
 
   create-release:
-    if: github.event.inputs.dry_run == 'false'
+    if: github.event.inputs.dry-run == 'false'
     needs: [build-dotnet]
     runs-on: ubuntu-latest
-    env:
-      DOTNET_CLI_TELEMETRY_OPTOUT: 1
-      DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1
-      NUGET_XMLDOC_MODE: skip
+    timeout-minutes: 10
     steps:
       # Create Release
       - uses: actions/create-release@v1
@@ -65,17 +58,6 @@ jobs:
           draft: true
           prerelease: false
       # Download (All) Artifacts to current directory
-      - uses: actions/download-artifact@v2-preview
+      - uses: actions/download-artifact@v2
       # Upload to NuGet
       - run: dotnet nuget push "./nuget/*.nupkg" --skip-duplicate -s https://www.nuget.org/api/v2/package -k ${{ secrets.NUGET_KEY }}
-
-  cleanup:
-    if: github.event.inputs.dry_run == 'true'
-    needs: [build-dotnet]
-    runs-on: ubuntu-latest
-    steps:
-      - name: Delete branch
-        uses: dawidd6/action-delete-branch@v3
-        with:
-          github_token: ${{ github.token }}
-          branches: ${{ env.DRY_RUN_BRANCH_PREFIX }}-${{ env.GIT_TAG }}
\ No newline at end of file
diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
index 70c3a28..b480c3e 100644
--- a/.github/workflows/stale.yml
+++ b/.github/workflows/stale.yml
@@ -1,24 +1,10 @@
 name: "Close stale issues"
 
 on:
+  workflow_dispatch:
   schedule:
     - cron: "0 0 * * *"
 
 jobs:
   stale:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/stale@v3
-        with:
-          repo-token: ${{ secrets.GITHUB_TOKEN }}
-          # enable issue
-          stale-issue-message: "This issue is stale because it has been open 90 days with no activity. Remove stale label or comment or this will be closed in 7 days."
-          stale-issue-label: "stale"
-          # enable pr
-          stale-pr-message: "This PR is stale because it has been open 90 days with no activity. Remove stale label or comment or this will be closed in 7 days."
-          stale-pr-label: "stale"
-          days-before-stale: 90
-          days-before-close: 7
-          exempt-issue-labels: "wip"
-          exempt-pr-labels: "wip"
-          remove-stale-when-updated: true
+    uses: Cysharp/Actions/.github/workflows/stale-issue.yaml@main
diff --git a/sandbox/Benchmark/Benchmark.csproj b/sandbox/Benchmark/Benchmark.csproj
index caa367d..5370ca9 100644
--- a/sandbox/Benchmark/Benchmark.csproj
+++ b/sandbox/Benchmark/Benchmark.csproj
@@ -5,6 +5,7 @@
     <TargetFramework>net6.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
+    <IsPackable>false</IsPackable>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/sandbox/ConsoleApp/ConsoleApp.csproj b/sandbox/ConsoleApp/ConsoleApp.csproj
index da1459b..002ac94 100644
--- a/sandbox/ConsoleApp/ConsoleApp.csproj
+++ b/sandbox/ConsoleApp/ConsoleApp.csproj
@@ -6,6 +6,7 @@
 		<ImplicitUsings>enable</ImplicitUsings>
 		<Nullable>enable</Nullable>
 		<LangVersion>latest</LangVersion>
+        <IsPackable>false</IsPackable>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/sandbox/WebApp/WebApp.csproj b/sandbox/WebApp/WebApp.csproj
index c72a32c..a73f654 100644
--- a/sandbox/WebApp/WebApp.csproj
+++ b/sandbox/WebApp/WebApp.csproj
@@ -5,6 +5,7 @@
     <TargetFramework>net6.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
+    <IsPackable>false</IsPackable>
   </PropertyGroup>
 
   <ItemGroup>