diff --git a/data/.eslintrc.js b/data/.eslintrc.js
index a3d4df7..e83e81c 100644
--- a/data/.eslintrc.js
+++ b/data/.eslintrc.js
@@ -1,7 +1,7 @@
 'use strict';
 
 // Clone the main config
-var config = module.exports = JSON.parse(JSON.stringify(require('../.eslintrc')));
+const config = module.exports = JSON.parse(JSON.stringify(require('../.eslintrc')));
 
 // Disable max line length/statements
 config.rules['max-len'] = 'off';
diff --git a/test/.eslintrc.js b/test/.eslintrc.js
index 1d1bc36..a904012 100644
--- a/test/.eslintrc.js
+++ b/test/.eslintrc.js
@@ -1,7 +1,7 @@
 'use strict';
 
 // Clone the main config
-var config = module.exports = JSON.parse(JSON.stringify(require('../.eslintrc')));
+const config = module.exports = JSON.parse(JSON.stringify(require('../.eslintrc')));
 
 // We use `this` all over the integration tests
 config.rules['no-invalid-this'] = 'off';