diff --git a/package.json b/package.json
index c04e8c0..f2fd8e1 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "jasmine-focused": "^1.0.7"
   },
   "dependencies": {
-    "any-promise": "^1.3.0",
-    "nan": "^2.14.0"
+    "any-promise": "1.3.0",
+    "nan": "2.17.0"
   }
 }
diff --git a/src/main.cc b/src/main.cc
index af0867b..3372e51 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -293,10 +293,10 @@ class Spellchecker : public Nan::ObjectWrap {
   }
 };
 
-void Init(Local<Object> exports, Local<Object> module) {
+void Init(Local<Object> exports) {
   Spellchecker::Init(exports);
 }
 
 }  // namespace
 
-NODE_MODULE(spellchecker, Init)
+NAN_MODULE_WORKER_ENABLED(spellchecker, Init)