diff --git a/.travis.yml b/.travis.yml
index f24e8ab..730edbe 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,3 @@
-sudo: false
 language: node_js
 cache:
   directories:
@@ -6,19 +5,13 @@ cache:
 notifications:
   email: false
 node_js:
-  - 4
-  - iojs-v3
-  - iojs-v2
-  - iojs-v1
-  - '0.12'
-  - '0.10'
-before_install:
-  - npm i -g npm@^2.0.0
+  - '7'
+  - '6'
+  - '4'
 before_script:
   - npm prune
 after_success:
   - npm run semantic-release
 branches:
   except:
-    # ignore git tags created by semantic-release, like "v1.2.3"
     - /^v\d+\.\d+\.\d+$/
diff --git a/package.json b/package.json
index 27ef55c..3061ccc 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,7 @@
   "devDependencies": {
     "shuffle-array": "^0.1.0",
     "tap": "^5.1.1",
-    "semantic-release": "^6.0.3"
-  }
+    "semantic-release": "^6.3.2"
+  },
+  "version": "0.0.0-development"
 }