diff --git a/.appveyor.yml b/.appveyor.yml
index 2a5e900..c78f59f 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -1,19 +1,19 @@
+os: Visual Studio 2015
+version: "{build}"
+build: off
+platform: x64
 environment:
   matrix:
-    - nodejs_version: 7
-    - nodejs_version: 6
-    - nodejs_version: 5
-    - nodejs_version: 4
+    - nodejs_version: 10
+    - nodejs_version: 8
 install:
-  - ps: Install-Product node $env:nodejs_version
+  - ps: Install-Product node $env:nodejs_version x64
   - set CI=true
-  - npm i -g npm
+  - npm i -g npm@latest
   - set PATH=%APPDATA%\npm;%PATH%
-  - npm i
+  - npm install
 matrix:
   fast_finish: true
-build: off
-version: '{build}'
 shallow_clone: true
 clone_depth: 1
 test_script: npm t
diff --git a/.travis.yml b/.travis.yml
index d257d29..36f7e51 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,6 @@
 language: node_js
 node_js:
-  - 7
-  - 6
-  - 5
-  - 4
+  - 10
+  - 8
 before_install:
-  - npm i -g npm
+  - npm i -g npm@latest
diff --git a/package.json b/package.json
index 69513ae..496707c 100644
--- a/package.json
+++ b/package.json
@@ -57,13 +57,13 @@
 		"eslint": "^3.14.0",
 		"eslint-config-styled": "^0.0.0",
 		"husky": "^0.11.9",
-		"node-sass": "^3.13.1",
+		"node-sass": "^4.9.0",
 		"npm-run-all": "^2.3.0",
 		"nyc": "^10.0.0",
 		"onchange": "^2.5.0",
 		"postcss-cli": "^2.6.0",
 		"rimraf": "^2.5.4",
-		"sass-lint": "^1.10.2"
+		"sass-lint": "^1.12.1"
 	},
 	"engines": {
 		"node": ">=4"
@@ -84,5 +84,8 @@
 		"ava": "nyc ava",
 		"test": "run-s build lint ava",
 		"precommit": "run-p test"
-	}
+	},
+	"resolutions": {
+		"natives": "1.1.3"
+	  }
 }