diff --git a/package.json b/package.json
index 88a5edbc95..7d5e113068 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "clean-css-cli": "4.1.11",
     "copy-webpack-plugin": "^4.4.1",
     "coveralls": "3.0.1",
-    "eslint": "4.19.1",
+    "eslint": "5.0.0",
     "eslint-config-openlayers": "^9.2.0",
     "expect.js": "0.3.1",
     "front-matter": "^2.1.2",
diff --git a/tasks/generate-info.js b/tasks/generate-info.js
index 555d086403..0212d3546e 100644
--- a/tasks/generate-info.js
+++ b/tasks/generate-info.js
@@ -149,6 +149,7 @@ function spawnJSDoc(paths) {
 /**
  * Writes the info.json file.
  * @param {Object} info The info.
+ * @return {Promise} Resolves on completion.
  */
 async function write(info) {
   await fse.outputJson(infoPath, info, {spaces: 2});