diff --git a/package.json b/package.json
index 44edd4a..066c261 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "blake2",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "description": "All four BLAKE2 variants (blake2b, blake2bp, blake2s, blake2sp) for node, with stream support",
   "keywords": [
     "crypto",
@@ -23,11 +23,11 @@
     "test": "./node_modules/.bin/mocha tests/*.js && ./node_modules/.bin/eslint ."
   },
   "dependencies": {
-    "nan": "^2.14.0"
+    "nan": "^2.14.1"
   },
   "devDependencies": {
-    "eslint": "^6.4.0",
-    "mocha": "^6.2.0"
+    "eslint": "^6.7.2",
+    "mocha": "^7.1.2"
   },
   "contributors": [
     "Ivan Kozik <ivan@ludios.org> (https://github.com/ivan)",