diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 74dac688..ca1679e9 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -9,8 +9,9 @@ on:
   push:
     branches: [master]
 
-env:
-  nodeVersion: 12
+concurrency:
+  group: pr-${{ github.ref }}
+  cancel-in-progress: true
 
 jobs:
   build:
@@ -33,10 +34,10 @@ jobs:
       - name: Check out code
         uses: actions/checkout@v3
 
-      - name: Set up Node.js ${{ env.nodeVersion }}
+      - name: Install Node.js from .nvmrc
         uses: actions/setup-node@v3
         with:
-          node-version: ${{ env.nodeVersion }}
+          node-version-file: .nvmrc
 
       # Guarantee a predictable version of npm for the first round of tests
       - name: Install package managers
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 6f573283..3f8e4e74 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -10,7 +10,6 @@ on:
 
 env:
   npmVersion: 8
-  nodeVersion: 12
 
 jobs:
   build:
@@ -28,10 +27,10 @@ jobs:
           # Don't save creds in the git config (so it's easier to override later)
           persist-credentials: false
 
-      - name: Set up Node.js ${{ env.nodeVersion }}
+      - name: Install Node.js from .nvmrc
         uses: actions/setup-node@v3
         with:
-          node-version: ${{ env.nodeVersion }}
+          node-version-file: .nvmrc
 
       # Guarantee a predictable version of npm (the PR build tests against both 6 and 8)
       - name: Install package managers
diff --git a/.nvmrc b/.nvmrc
new file mode 100644
index 00000000..da2d3988
--- /dev/null
+++ b/.nvmrc
@@ -0,0 +1 @@
+14
\ No newline at end of file
diff --git a/change/beachball-c7cd357b-0728-4477-91af-0dbc7035011a.json b/change/beachball-c7cd357b-0728-4477-91af-0dbc7035011a.json
new file mode 100644
index 00000000..14fef4ff
--- /dev/null
+++ b/change/beachball-c7cd357b-0728-4477-91af-0dbc7035011a.json
@@ -0,0 +1,7 @@
+{
+  "type": "minor",
+  "comment": "**BREAKING CHANGE**: Require Node 14. This is released as a minor change because Node 12 has been past end of life for a year now.",
+  "packageName": "beachball",
+  "email": "elcraig@microsoft.com",
+  "dependentChangeType": "patch"
+}
diff --git a/package.json b/package.json
index b9da6047..20860ee0 100644
--- a/package.json
+++ b/package.json
@@ -14,11 +14,12 @@
     "beachball": "./bin/beachball.js"
   },
   "engines": {
-    "node": ">=12.0.0"
+    "node": ">=14.0.0"
   },
   "files": [
     "bin",
-    "lib/!(__*)"
+    "lib/!(__*)",
+    "lib/!(__*)/**/*"
   ],
   "scripts": {
     "build": "tsc",
@@ -58,7 +59,7 @@
     "@types/fs-extra": "^9.0.13",
     "@types/lodash": "^4.14.191",
     "@types/minimatch": "^3.0.5",
-    "@types/node": "^12.20.55",
+    "@types/node": "^14.0.0",
     "@types/prompts": "^2.4.2",
     "@types/semver": "^7.3.13",
     "@types/tmp": "^0.2.3",
diff --git a/src/__fixtures__/mockStdin.ts b/src/__fixtures__/mockStdin.ts
index 30efc793..d578d769 100644
--- a/src/__fixtures__/mockStdin.ts
+++ b/src/__fixtures__/mockStdin.ts
@@ -42,7 +42,7 @@ export class MockStdin extends stream.Readable {
    * Send text in a way that's presumably intended to simulate real `process.stdin` input
    * (this approach is copied from `mock-stdin`).
    */
-  send(text: string[] | Buffer | string | null, encoding?: string) {
+  send(text: string[] | Buffer | string | null, encoding?: BufferEncoding) {
     if (Array.isArray(text)) {
       if (encoding) {
         throw new TypeError('Cannot invoke MockStdin#send(): `encoding` specified while text specified as an array.');
@@ -153,7 +153,7 @@ class MockData {
   pos = 0;
   done = false;
 
-  constructor(private data: Buffer | string | null, public encoding?: string) {}
+  constructor(private data: Buffer | string | null, public encoding?: BufferEncoding) {}
 
   get length() {
     if (Buffer.isBuffer(this.data)) {
diff --git a/tsconfig.json b/tsconfig.json
index 7cf05241..36c04d12 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,8 +1,8 @@
 {
   "compilerOptions": {
     "outDir": "./lib",
-    // compatible with node 12 https://kangax.github.io/compat-table/es2016plus/#node12_11
-    "target": "ES2019",
+    // compatible with node 14
+    "target": "ES2020",
     "module": "commonjs",
     "moduleResolution": "node",
     "declaration": true,
@@ -15,6 +15,7 @@
     "allowJs": true,
     "checkJs": true,
     "skipLibCheck": true,
+    "lib": ["ES2020"],
     "types": ["node"]
   },
   "include": ["src/**/*"]
diff --git a/yarn.lock b/yarn.lock
index 84936f5f..f6d0ceca 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1459,10 +1459,10 @@
   resolved "https://registry.yarnpkg.com/@types/minimatch/-/minimatch-3.0.5.tgz#1001cc5e6a3704b83c236027e77f2f58ea010f40"
   integrity sha512-Klz949h02Gz2uZCMGwDUSDS1YBlTdDDgbWHi+81l29tQALUtvz4rAYi5uoVhE5Lagoq6DeqAUlbrHvW/mXDgdQ==
 
-"@types/node@*", "@types/node@^12.20.55":
-  version "12.20.55"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.20.55.tgz#c329cbd434c42164f846b909bd6f85b5537f6240"
-  integrity sha512-J8xLz7q2OFulZ2cyGTLE1TbbZcjpno7FaN6zdJNrgAdrJ+DZzh/uFR6YrTb4C+nXakvud8Q4+rbhoIWlYQbUFQ==
+"@types/node@*", "@types/node@^14.0.0":
+  version "14.18.43"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.18.43.tgz#679e000d9f1d914132ea295b4a1ffdf20370ec49"
+  integrity sha512-n3eFEaoem0WNwLux+k272P0+aq++5o05bA9CfiwKPdYPB5ZambWKdWoeHy7/OJiizMhzg27NLaZ6uzjLTzXceQ==
 
 "@types/parse-json@^4.0.0":
   version "4.0.0"