diff --git a/.circleci/config.yml b/.circleci/config.yml
index e29cd34a..622fca84 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -24,7 +24,6 @@ workflows:
           matrix:
             parameters:
               version:
-                - "14.21"
                 - "16.19"
                 - "18.15"
       - release:
diff --git a/README.md b/README.md
index b11515b0..9021244d 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ Via yarn:
 
 `$ yarn add cron-schedule`
 
-**We test our code against the following Node.js releases (`14.21`, `16.19`, `18.15`).**
+**We test our code against the following Node.js releases (`16.19`, `18.15`).**
 Other versions of node.js may also work, but this is not tested.
 
 ##### Usage
diff --git a/package.json b/package.json
index 9a03c75e..149fc739 100644
--- a/package.json
+++ b/package.json
@@ -27,6 +27,10 @@
     "nodejs"
   ],
   "type": "module",
+  "packageManager": "yarn@3.2.0",
+  "engines": {
+    "node": ">=16"
+  },
   "files": [
     "dist/**/*.js",
     "dist/**/*.js.map",
@@ -110,6 +114,5 @@
     "extends": [
       "@commitlint/config-conventional"
     ]
-  },
-  "packageManager": "yarn@3.2.0"
+  }
 }