diff --git a/package-lock.json b/package-lock.json
index ded13a5b..a747409b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "log4js",
-  "version": "6.5.2",
+  "version": "6.6.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "log4js",
-      "version": "6.5.2",
+      "version": "6.6.0",
       "license": "Apache-2.0",
       "dependencies": {
         "date-format": "^4.0.11",
diff --git a/package.json b/package.json
index 0921cb6d..3a6f2aab 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "log4js",
-  "version": "6.5.2",
+  "version": "6.6.0",
   "description": "Port of Log4js to work with node.",
   "homepage": "https://log4js-node.github.io/log4js-node/",
   "files": [