diff --git a/package.json b/package.json
index 1a3724d..cb05585 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "test": "mocha"
   },
   "dependencies": {
-    "findup-sync": "^2.0.0"
+    "findup-sync": "^4.0.0"
   },
   "devDependencies": {
     "gfc": "^2.0.1",