diff --git a/appveyor.yml b/appveyor.yml
index 76baabca..24ea88a7 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,7 +1,5 @@
 environment:
   matrix:
-  - nodejs_version: "0.10"
-  - nodejs_version: "0.12"
   - nodejs_version: "4"
   - nodejs_version: "6"
 
diff --git a/package.json b/package.json
index 162ee052..fdb520bc 100644
--- a/package.json
+++ b/package.json
@@ -48,5 +48,9 @@
     "jshint": "^2.6.0",
     "promise-matchers": "~0",
     "rewire": "^2.1.3"
-  }
-}
+  },
+  "engines": {
+    "node": ">=4.0.0"
+  },
+  "engineStrict": true
+}
\ No newline at end of file