diff --git a/package.json b/package.json
index edd95820..8e3b32ca 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
   },
   "homepage": "http://www.wheresrhys.co.uk/fetch-mock",
   "engines": {
-    "node": ">=4.0.0"
+    "node": ">=8.0.0"
   },
   "workspaces": [
     "packages/*",
diff --git a/packages/fetch-mock/package.json b/packages/fetch-mock/package.json
index 88be7e17..944f3406 100644
--- a/packages/fetch-mock/package.json
+++ b/packages/fetch-mock/package.json
@@ -44,6 +44,6 @@
     }
   },
   "engines": {
-    "node": ">=4.0.0"
+    "node": ">=8.0.0"
   }
 }