diff --git a/google-analytics-admin/package.json b/google-analytics-admin/package.json
index b1c62d9..44a4c3a 100644
--- a/google-analytics-admin/package.json
+++ b/google-analytics-admin/package.json
@@ -4,7 +4,7 @@
   "license": "Apache-2.0",
   "author": "Google LLC",
   "engines": {
-    "node": ">=14.0.0"
+    "node": ">=18.0.0"
   },
   "files": [
     "*.js"
diff --git a/google-analytics-data/package.json b/google-analytics-data/package.json
index 15fe62e..6d1be55 100644
--- a/google-analytics-data/package.json
+++ b/google-analytics-data/package.json
@@ -4,7 +4,7 @@
   "license": "Apache-2.0",
   "author": "Google LLC",
   "engines": {
-    "node": ">=14.0.0"
+    "node": ">=18.0.0"
   },
   "files": [
     "*.js"