diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0cb3601..f3c20bc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v6
         with:
-          node-version: 22.x
+          node-version: 22.21.1
       - name: Install dependencies
         run: npm install
       - name: Lint files
diff --git a/package-lock.json b/package-lock.json
index b5ecdee..48c25d3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,7 +23,7 @@
         "yorkie": "^2.0.0"
       },
       "engines": {
-        "node": "22.x",
+        "node": "22.21.1",
         "npm": "10.x"
       },
       "funding": {
diff --git a/package.json b/package.json
index 408c37e..3ee9c5d 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
     "testEnvironment": "node"
   },
   "engines": {
-    "node": "22.x",
+    "node": "22.21.1",
     "npm": "10.x"
   }
 }