diff --git a/.travis.yml b/.travis.yml
index 0611ff2..19d3e7c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,5 @@
 language: node_js
 node_js:
-  - "4"
   - "6"
   - "8"
   - "9"
diff --git a/package.json b/package.json
index f6b2d58..22c5343 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "graphql": "^0.9.0",
     "graphql-relay": "^0.5.0",
     "istanbul": "^0.4.5",
-    "mocha": "^3.0.2",
+    "mocha": "^4.0.0",
     "multiline": "^2.0.0"
   }
 }