diff --git a/label.js b/label.js
index b381f43c..75bf1fa5 100644
--- a/label.js
+++ b/label.js
@@ -30,9 +30,11 @@ async function label() {
 label()
   .then(
     result => {
+      // eslint-disable-next-line no-console
       console.log(`Labelled ${result} with ${requested}.`);
     },
     err => {
+      // eslint-disable-next-line no-console
       console.log(err);
     }
   )
diff --git a/package-lock.json b/package-lock.json
index 59a110aa..dab5c1c1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -148,6 +148,14 @@
         "once": "^1.4.0"
       }
     },
+    "eslint-plugin-prettier": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-prettier/-/eslint-plugin-prettier-3.1.1.tgz",
+      "integrity": "sha512-A+TZuHZ0KU0cnn56/9mfR7/KjUJ9QNVXUhwvRFSR7PGPe0zQR6PTkmyqg1AtUUEOzTqeRsUwyKFh0oVZKVCrtA==",
+      "requires": {
+        "prettier-linter-helpers": "^1.0.0"
+      }
+    },
     "execa": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/execa/-/execa-1.0.0.tgz",
@@ -162,6 +170,11 @@
         "strip-eof": "^1.0.0"
       }
     },
+    "fast-diff": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/fast-diff/-/fast-diff-1.2.0.tgz",
+      "integrity": "sha512-xJuoT5+L99XlZ8twedaRf6Ax2TgQVxvgZOYoPKqZufmJib0tL2tegPBOZb1pVNgIhlqDlA0eO0c3wBvQcmzx4w=="
+    },
     "get-stream": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-4.1.0.tgz",
@@ -263,6 +276,14 @@
       "resolved": "https://registry.npmjs.org/path-key/-/path-key-2.0.1.tgz",
       "integrity": "sha1-QRyttXTFoUDTpLGRDUDYDMn0C0A="
     },
+    "prettier-linter-helpers": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/prettier-linter-helpers/-/prettier-linter-helpers-1.0.0.tgz",
+      "integrity": "sha512-GbK2cP9nraSSUF9N2XwUwqfzlAFlMNYYl+ShE/V+H8a9uNl/oUqB1w2EL54Jh0OlyRSd8RfWYJ3coVS4TROP2w==",
+      "requires": {
+        "fast-diff": "^1.1.2"
+      }
+    },
     "pump": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.0.tgz",
diff --git a/package.json b/package.json
index 53e601e6..25a7dcd2 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,8 @@
   "description": "Labels issues when they land in a repo.",
   "main": "label.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "lint": "eslint ."
   },
   "repository": {
     "type": "git",
@@ -18,6 +19,7 @@
   "homepage": "https://github.com/andymckay/labeler#readme",
   "dependencies": {
     "@actions/core": "^1.0.0",
-    "@actions/github": "^1.0.1"
+    "@actions/github": "^1.0.1",
+    "eslint-plugin-prettier": "^3.1.1"
   }
 }