diff --git a/.github/workflows/build-docs.yml b/.github/workflows/build-docs.yml
index eb1049e..65f1eca 100644
--- a/.github/workflows/build-docs.yml
+++ b/.github/workflows/build-docs.yml
@@ -13,10 +13,10 @@ jobs:
       - name: Checkout project
         uses: actions/checkout@v3
 
-      - name: Use NodeJS 15.x
+      - name: Use NodeJS 16.x
         uses: actions/setup-node@v3
         with:
-          node-version: 15.x
+          node-version: 16.x
 
       - uses: pnpm/action-setup@v2
         name: Install pnpm
diff --git a/.github/workflows/on-release.yml b/.github/workflows/on-release.yml
index 09b89c7..4f43d9e 100644
--- a/.github/workflows/on-release.yml
+++ b/.github/workflows/on-release.yml
@@ -14,10 +14,10 @@ jobs:
       - name: Checkout project
         uses: actions/checkout@v3
 
-      - name: Use NodeJS 15.x
+      - name: Use NodeJS 16.x
         uses: actions/setup-node@v3
         with:
-          node-version: 15.x
+          node-version: 16.x
 
       - uses: pnpm/action-setup@v2
         name: Install pnpm
diff --git a/.github/workflows/pr-check.yml b/.github/workflows/pr-check.yml
index 2e01c18..7b7bffc 100644
--- a/.github/workflows/pr-check.yml
+++ b/.github/workflows/pr-check.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        node-version: [20.x, 18.x, 16.x, 15.x, 14.x, 12.x]
+        node-version: [21.x, 20.x, 18.x, 16.x]
 
     steps:
       - name: Begin Check...
diff --git a/package.json b/package.json
index 05bc744..b4080c2 100644
--- a/package.json
+++ b/package.json
@@ -91,6 +91,6 @@
     ]
   },
   "engines": {
-    "node": ">=12"
+    "node": ">=16"
   }
 }