diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cf3a257871..f629d6da10 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [14.x, 16.x, 18.x, 20.x, 22.x]
+        node-version: [18.x, 20.x, 22.x]
 
     steps:
     - uses: actions/checkout@v4
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 379172b7d3..17533e318d 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -36,7 +36,7 @@ jobs:
     - name: Set up Node.js
       uses: actions/setup-node@v4
       with:
-        node-version: 14.x
+        node-version: 18.x
 
     - name: Install and build
       run: |
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ea333311ef..dab28224c2 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -47,7 +47,7 @@ jobs:
     - name: Set up Node.js
       uses: actions/setup-node@v4
       with:
-        node-version: 14.x
+        node-version: 18.x
 
     - name: Install and build
       run: |
@@ -117,7 +117,7 @@ jobs:
     - name: Set up Node.js
       uses: actions/setup-node@v4
       with:
-        node-version: 14.x
+        node-version: 18.x
 
     - name: Publish preflight check
       id: preflight
diff --git a/README.md b/README.md
index 4eafa48814..8ebe57eab4 100644
--- a/README.md
+++ b/README.md
@@ -59,8 +59,7 @@ requests, code review feedback, and also pull requests.
 
 ## Supported Environments
 
-We support Node.js 14 and higher. However, Node.js 14 and 16 support is deprecated. We strongly encourage
-you to use Node.js 18 or higher as we will drop support for Node.js 14 and 16 in the next major version.
+We support Node.js 18 and higher.
 
 Please also note that the Admin SDK should only
 be used in server-side/back-end environments controlled by the app developer.
diff --git a/package-lock.json b/package-lock.json
index c4961706c5..4119954bee 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -73,7 +73,7 @@
         "yargs": "^17.0.1"
       },
       "engines": {
-        "node": ">=14"
+        "node": ">=18"
       },
       "optionalDependencies": {
         "@google-cloud/firestore": "^7.7.0",
diff --git a/package.json b/package.json
index c61ecd58fa..63a4d4cd78 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "license": "Apache-2.0",
   "homepage": "https://firebase.google.com/",
   "engines": {
-    "node": ">=14"
+    "node": ">=18"
   },
   "scripts": {
     "build": "gulp build",