diff --git a/package.json b/package.json
index 5a230b9..93c9a8c 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "asn1": "^0.2.3",
     "bluebird": "^3.0.6",
     "homedir": "^0.6.0",
-    "letiny-core": "^2.0.1",
+    "le-acme-core": "^2.0.1",
     "mkdirp": "^0.5.1",
     "node.extend": "^1.1.5",
     "pkijs": "^1.3.27",