diff --git a/.github/workflows/build-debug.yml b/.github/workflows/build-debug.yml
index e3bd6a6b..09bd3f87 100644
--- a/.github/workflows/build-debug.yml
+++ b/.github/workflows/build-debug.yml
@@ -24,7 +24,7 @@ jobs:
       fail-fast: false
       max-parallel: 2
       matrix:
-        unity: ["2021.3.41f1", "2022.3.39f1", "6000.0.12f1"] # Test with LTS
+        unity: ["2022.3.39f1", "6000.0.12f1"] # Test with LTS
     runs-on: ubuntu-latest
     timeout-minutes: 20
     steps:
@@ -44,7 +44,7 @@ jobs:
       # Execute scripts: Export Package
       #  /opt/Unity/Editor/Unity -quit -batchmode -nographics -silent-crashes -logFile -projectPath . -executeMethod PackageExporter.Export
       - name: Build Unity (.unitypacakge)
-        if: ${{ startsWith(matrix.unity, '2021') }} # only execute once
+        if: ${{ startsWith(matrix.unity, '2022') }} # only execute once
         uses: Cysharp/Actions/.github/actions/unity-builder@main
         env:
           UNITY_EMAIL: ${{ steps.op-load-secret.outputs.UNITY_EMAIL }}
diff --git a/src/UniTask/Assets/Plugins/UniTask/package.json b/src/UniTask/Assets/Plugins/UniTask/package.json
index 04085042..e7add03c 100644
--- a/src/UniTask/Assets/Plugins/UniTask/package.json
+++ b/src/UniTask/Assets/Plugins/UniTask/package.json
@@ -2,7 +2,7 @@
     "name": "com.cysharp.unitask",
     "displayName": "UniTask",
     "author": { "name": "Cysharp, Inc.", "url": "https://cysharp.co.jp/en/" },
-    "version": "2.5.7",
+    "version": "2.5.8",
     "unity": "2018.4",
     "description": "Provides an efficient async/await integration to Unity.",
     "keywords": [ "async/await", "async", "Task", "UniTask" ],