diff --git a/.travis.yml b/.travis.yml
index 2e470e0..7dc081a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,9 +1,6 @@
 sudo: false
 language: node_js
 node_js:
-  - '0.12'
-  - 'iojs'
-  - '4'
   - '6'
   - '8'
   - '10'
diff --git a/package.json b/package.json
index 65afd96..cc229d2 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "extract"
   ],
   "dependencies": {
-    "concat-stream": "1.6.2",
+    "concat-stream": "2.0.0",
     "debug": "2.6.9",
     "mkdirp": "0.5.1",
     "yauzl": "2.4.1"