diff --git a/bin/chrome2calltree.js b/bin/chrome2calltree.js
index 6d4ccc3..ffa9ff1 100755
--- a/bin/chrome2calltree.js
+++ b/bin/chrome2calltree.js
@@ -3,7 +3,7 @@ var fs = require("fs");
 
 var argparse = require("argparse");
 var temp = require("temp");
-var execSync = require("execSync");
+var exec = require('sync-exec');
 
 // Clean up temporary files on exit
 temp.track();
@@ -74,8 +74,8 @@ var launchKCacheGrind = function(logpath) {
     var commands = ['qcachegrind', 'kcachegrind'];
     for (var i = 0; i < commands.length; i++) {
         var cmd = commands[i];
-        if (execSync.exec('which ' + cmd).code === 0) {
-            execSync.run(cmd + ' ' + outStream.path);
+        if (exec('which ' + cmd).status === 0) {
+            exec(cmd + ' ' + outStream.path);
             found = true;
             break;
         }
diff --git a/package.json b/package.json
index 39e3190..82bd20b 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "argparse": "~0.1.15",
     "lodash": "~2.3.0",
     "underscore.string": "~2.3.3",
-    "execSync": "~1.0.1",
+    "sync-exec": "~0.6.2",
     "temp": "~0.6.0"
   },
   "license": "MIT",