diff --git a/CHANGELOG.md b/CHANGELOG.md
index a29e4f3..fdf6be5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- Change `engines` to require Node 12.9 or newer, matching the upgrade to `mongodb` that occurred in `v4.5.0`
+
 ## [4.6.0] - 2021-09-17
 
 ### Changed
diff --git a/package.json b/package.json
index 244fc1d..aba9f7c 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "prepare-release": "run-s reset-hard test cov:check doc:html version doc:publish"
   },
   "engines": {
-    "node": ">=10"
+    "node": ">=12.9.0"
   },
   "peerDependencies": {
     "mongodb": "^4.1.0"