diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 00f9c2f0bb..0482d0d8fe 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -29,7 +29,7 @@ jobs:
       - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
-      - run: npm install
+      - run: npm install --legacy-peer-deps
       - run: npx c8 ava
       - uses: codecov/codecov-action@v5
         with:
@@ -42,14 +42,14 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
-      - run: npm install
+      - run: npm install --legacy-peer-deps
       - run: npm run lint
   run-rules-on-codebase:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
-      - run: npm install
+      - run: npm install --legacy-peer-deps
       - run: npm run run-rules-on-codebase
   integration:
     name: Integration test (${{ matrix.group }})
@@ -72,5 +72,5 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
-      - run: npm install
+      - run: npm install --legacy-peer-deps
       - run: npm run integration -- --group ${{ matrix.group }}
diff --git a/.github/workflows/smoke-test.yml b/.github/workflows/smoke-test.yml
index 80b39d78bc..d1326b0cfe 100644
--- a/.github/workflows/smoke-test.yml
+++ b/.github/workflows/smoke-test.yml
@@ -11,7 +11,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
-      - run: npm install
+      - run: npm install --legacy-peer-deps
       - uses: AriPerkkio/eslint-remote-tester-run-action@v5
         with:
           issue-title: "Results of weekly scheduled smoke test"
diff --git a/.github/workflows/update-snapshots.yml b/.github/workflows/update-snapshots.yml
index bfcb3c3e2e..c28cc5b1ed 100644
--- a/.github/workflows/update-snapshots.yml
+++ b/.github/workflows/update-snapshots.yml
@@ -15,7 +15,7 @@ jobs:
         with:
           # Locked due to the difference of `zlib.gzipSync()` between Node.js versions
           node-version: 24
-      - run: npm install
+      - run: npm install --legacy-peer-deps
       - run: npm run lint
       - run: rm -rf test/snapshots
       # Force update snapshots, https://github.com/avajs/ava/discussions/2754
diff --git a/package.json b/package.json
index f1c172e1a1..89aafd36f4 100644
--- a/package.json
+++ b/package.json
@@ -86,7 +86,7 @@
 		"ava": "^6.4.1",
 		"c8": "^10.1.3",
 		"enquirer": "^2.4.1",
-		"eslint": "^9.38.0",
+		"eslint": "^10.0.0-alpha.0",
 		"eslint-ava-rule-tester": "^5.0.1",
 		"eslint-config-xo": "^0.49.0",
 		"eslint-doc-generator": "^2.3.0",