diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 04b12fe..56d518b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,9 +13,8 @@ jobs:
     strategy:
       matrix:
         node_version:
-          - 14
-          - 16
           - 18
+          - 20
     steps:
       - uses: actions/checkout@v3
       - name: Use Node.js ${{ matrix.node_version }}
diff --git a/package-lock.json b/package-lock.json
index d6e424a..3900c38 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "license": "MIT",
       "devDependencies": {
         "@octokit/core": "^4.0.0",
-        "@octokit/plugin-rest-endpoint-methods": "^7.0.0",
+        "@octokit/plugin-rest-endpoint-methods": "^8.0.0",
         "@octokit/tsconfig": "^2.0.0",
         "@types/fetch-mock": "^7.3.1",
         "@types/jest": "^29.0.0",
@@ -25,6 +25,9 @@
         "ts-jest": "^29.0.0",
         "typescript": "^5.0.0"
       },
+      "engines": {
+        "node": ">= 18"
+      },
       "peerDependencies": {
         "@octokit/core": ">=4"
       }
@@ -1764,15 +1767,15 @@
       "dev": true
     },
     "node_modules/@octokit/plugin-rest-endpoint-methods": {
-      "version": "7.2.3",
-      "resolved": "https://registry.npmjs.org/@octokit/plugin-rest-endpoint-methods/-/plugin-rest-endpoint-methods-7.2.3.tgz",
-      "integrity": "sha512-I5Gml6kTAkzVlN7KCtjOM+Ruwe/rQppp0QU372K1GP7kNOYEKe8Xn5BW4sE62JAHdwpq95OQK/qGNyKQMUzVgA==",
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/@octokit/plugin-rest-endpoint-methods/-/plugin-rest-endpoint-methods-8.0.0.tgz",
+      "integrity": "sha512-GtA8B7zkdxJv2OBVUtUeynu/OkWo272w2IpWC+QCQiUhgrRZ9Zrz2NgAiqYkVhlITGD3PcWYEjy9JR1HrzYtQA==",
       "dev": true,
       "dependencies": {
         "@octokit/types": "^10.0.0"
       },
       "engines": {
-        "node": ">= 14"
+        "node": ">= 18"
       },
       "peerDependencies": {
         "@octokit/core": ">=3"
@@ -8602,9 +8605,9 @@
       "dev": true
     },
     "@octokit/plugin-rest-endpoint-methods": {
-      "version": "7.2.3",
-      "resolved": "https://registry.npmjs.org/@octokit/plugin-rest-endpoint-methods/-/plugin-rest-endpoint-methods-7.2.3.tgz",
-      "integrity": "sha512-I5Gml6kTAkzVlN7KCtjOM+Ruwe/rQppp0QU372K1GP7kNOYEKe8Xn5BW4sE62JAHdwpq95OQK/qGNyKQMUzVgA==",
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/@octokit/plugin-rest-endpoint-methods/-/plugin-rest-endpoint-methods-8.0.0.tgz",
+      "integrity": "sha512-GtA8B7zkdxJv2OBVUtUeynu/OkWo272w2IpWC+QCQiUhgrRZ9Zrz2NgAiqYkVhlITGD3PcWYEjy9JR1HrzYtQA==",
       "dev": true,
       "requires": {
         "@octokit/types": "^10.0.0"
diff --git a/package.json b/package.json
index 0f048af..5c679c5 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
   },
   "devDependencies": {
     "@octokit/core": "^4.0.0",
-    "@octokit/plugin-rest-endpoint-methods": "^7.0.0",
+    "@octokit/plugin-rest-endpoint-methods": "^8.0.0",
     "@octokit/tsconfig": "^2.0.0",
     "@types/fetch-mock": "^7.3.1",
     "@types/jest": "^29.0.0",
@@ -97,5 +97,8 @@
         }
       ]
     ]
+  },
+  "engines": {
+    "node": ">= 18"
   }
 }