diff --git a/index.js b/index.js
index 66ffa2b..ab20eb2 100644
--- a/index.js
+++ b/index.js
@@ -1,4 +1,4 @@
-import * as path from 'https://deno.land/std/fs/path/mod.ts';
+import * as path from 'https://deno.land/std/path/mod.ts';
 
 var concatMap = function (xs, fn) {
     var res = [];
diff --git a/package.json b/package.json
index 8197b72..f0e67f4 100644
--- a/package.json
+++ b/package.json
@@ -21,5 +21,9 @@
     "rollup-plugin-alias": "^1.5.1",
     "rollup-plugin-commonjs": "^9.2.0",
     "rollup-plugin-node-resolve": "^4.0.0"
+  },
+  "volta": {
+    "node": "12.13.0",
+    "yarn": "1.19.1"
   }
-}
+}
\ No newline at end of file