diff --git a/CHANGELOG.md b/CHANGELOG.md
index 63e3e347..082b61d8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## v4.2.2 [2023-03-28]
+
+### Fixes
+
+- [fix] - fix invalid dayjs locale import from nodejs
+
 ## v4.2.1 [2023-03-28]
 
 ### Fixes
diff --git a/package-lock.json b/package-lock.json
index a75313ae..b91de28b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "cal-heatmap",
-  "version": "4.2.1",
+  "version": "4.2.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "cal-heatmap",
-      "version": "4.2.1",
+      "version": "4.2.2",
       "license": "MIT",
       "dependencies": {
         "@observablehq/plot": "^0.6.0",
diff --git a/package.json b/package.json
index 99ba8dcc..14dea17a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cal-heatmap",
-  "version": "4.2.1",
+  "version": "4.2.2",
   "description": "Cal-Heatmap is a javascript module to create calendar heatmap to visualize time series data",
   "keywords": [
     "calendar",
diff --git a/src/version.ts b/src/version.ts
index 619a64e0..d2f83c5f 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1,2 +1,2 @@
-const VERSION = '4.2.1';
+const VERSION = '4.2.2';
 export default VERSION;