diff --git a/.github/workflows/pr-check.yaml b/.github/workflows/pr-check.yaml
index 5cbd80a..e5e471f 100644
--- a/.github/workflows/pr-check.yaml
+++ b/.github/workflows/pr-check.yaml
@@ -15,7 +15,7 @@ permissions:
 
 jobs:
   test:
-    runs-on: jp-arm-oracle
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout code
         uses: actions/checkout@v5
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index adb1990..31b29f5 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -11,7 +11,7 @@ permissions:
 
 jobs:
   goreleaser:
-    runs-on: jp-arm-oracle
+    runs-on: ubuntu-latest
     environment: CI
     steps:
       - uses: googleapis/release-please-action@v4