diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 72f89866..c64d23d8 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -5,10 +5,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - name: Set up Node.js 12.x
+      - name: Set up Node.js 14.x
         uses: actions/setup-node@v1
         with:
-          node-version: 12.x
+          node-version: 14.x
       - name: Install dependencies
         run: yarn install --dev
       - name: Lint files
diff --git a/Dockerfile b/Dockerfile
index b11871d3..4324f49b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:12-alpine as builder
+FROM node:14-alpine as builder
 
 RUN mkdir -p /opt/autoupdate/dist
 
@@ -8,7 +8,7 @@ COPY . /opt/autoupdate/
 
 RUN yarn install --frozen-lockfile && yarn run build
 
-FROM node:12-alpine as runner
+FROM node:14-alpine as runner
 
 LABEL com.github.actions.name="Auto-update pull requests with changes from their base branch"
 LABEL com.github.actions.description="A GitHub Action that auto-updates PRs with changes from their base branch"
diff --git a/package.json b/package.json
index d58cace4..9abcb7a6 100644
--- a/package.json
+++ b/package.json
@@ -16,11 +16,11 @@
     "test:watch": "jest --watchAll"
   },
   "dependencies": {
-    "@actions/github": "^4.0.0",
     "@actions/core": "^1.2.6",
+    "@actions/github": "^4.0.0",
     "@octokit/types": "^5.5.0",
-    "@types/node": "^12.12.6",
-    "@zeit/ncc": "^0.22.3",
+    "@types/node": "^14.14.22",
+    "@vercel/ncc": "^0.27.0",
     "typescript": "^4.1.3"
   },
   "devDependencies": {
diff --git a/tsconfig.json b/tsconfig.json
index 3176bf02..9b9d4ecb 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,7 +1,7 @@
 {
   "compilerOptions": {
     "types": ["node", "jest"],
-    "target": "ES2019",
+    "target": "ES2020",
     "module": "commonjs",
     "strict": true,
     "esModuleInterop": true,
diff --git a/yarn.lock b/yarn.lock
index 70efddb5..0cb43c86 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -702,10 +702,10 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-14.11.8.tgz#fe2012f2355e4ce08bca44aeb3abbb21cf88d33f"
   integrity sha512-KPcKqKm5UKDkaYPTuXSx8wEP7vE9GnuaXIZKijwRYcePpZFDVuy2a57LarFKiORbHOuTOOwYzxVxcUzsh2P2Pw==
 
-"@types/node@^12.12.6":
-  version "12.12.67"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.12.67.tgz#4f86badb292e822e3b13730a1f9713ed2377f789"
-  integrity sha512-R48tgL2izApf+9rYNH+3RBMbRpPeW3N8f0I9HMhggeq4UXwBDqumJ14SDs4ctTMhG11pIOduZ4z3QWGOiMc9Vg==
+"@types/node@^14.14.22":
+  version "14.14.22"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.14.22.tgz#0d29f382472c4ccf3bd96ff0ce47daf5b7b84b18"
+  integrity sha512-g+f/qj/cNcqKkc3tFqlXOYjrmZA+jNBiDzbP3kH+B+otKFqAdPgVTGP1IeKRdMml/aE69as5S4FqtxAbl+LaMw==
 
 "@types/normalize-package-data@^2.4.0":
   version "2.4.0"
@@ -840,10 +840,10 @@
     "@typescript-eslint/types" "4.14.2"
     eslint-visitor-keys "^2.0.0"
 
-"@zeit/ncc@^0.22.3":
-  version "0.22.3"
-  resolved "https://registry.yarnpkg.com/@zeit/ncc/-/ncc-0.22.3.tgz#fca6b86b4454ce7a7e1e7e755165ec06457f16cd"
-  integrity sha512-jnCLpLXWuw/PAiJiVbLjA8WBC0IJQbFeUwF4I9M+23MvIxTxk5pD4Q8byQBSPmHQjz5aBoA7AKAElQxMpjrCLQ==
+"@vercel/ncc@^0.27.0":
+  version "0.27.0"
+  resolved "https://registry.yarnpkg.com/@vercel/ncc/-/ncc-0.27.0.tgz#c0cfeebb0bebb56052719efa4a0ecc090a932c76"
+  integrity sha512-DllIJQapnU2YwewIhh/4dYesmMQw3h2cFtabECc/zSJHqUbNa0eJuEkRa6DXbZvh1YPWBtYQoPV17NlDpBw1Vw==
 
 abab@^2.0.3:
   version "2.0.5"