diff --git a/index.js b/index.js
index 087f1b4..4e7eb8a 100755
--- a/index.js
+++ b/index.js
@@ -7,10 +7,11 @@ var chpro    = require('child_process')
 
 var through  = require('through')
 var csv      = require('csv-stream')
-var osenv    = require('osenv')
 var duplexer = require('duplexer')
 var concat   = require('concat-stream')
 
+var tmp      = require('tmp')
+
 var spawn = chpro.spawn
 if (os.type() === 'Windows_NT') spawn = require('win-spawn')
 
@@ -19,7 +20,7 @@ module.exports = function (options) {
   var read = through()
   var duplex
 
-  var filename = path.join(osenv.tmpdir(), '_'+Date.now())
+  var filename = tmp.tmpNameSync()
 
   var spawnArgs = []
 
diff --git a/package.json b/package.json
index 62ea2fe..68fe7ef 100644
--- a/package.json
+++ b/package.json
@@ -11,13 +11,13 @@
   "dependencies": {
     "JSONStream": "^1.0.4",
     "concat-stream": "^1.4.6",
-    "csv-stream": "~0.1.3",
+    "csv-stream": ">0.1.3",
     "duplexer": "~0.1.1",
     "j": "^0.4.3",
     "minimist": "^1.1.1",
-    "osenv": "^0.1.3",
     "through": "~2.3.4",
-    "win-spawn": "^2.0.0"
+    "win-spawn": "^2.0.0",
+    "tmp": "^0.0.29"
   },
   "devDependencies": {},
   "scripts": {