diff --git a/package-lock.json b/package-lock.json
index bcdd72b..5c32734 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "n2words",
-  "version": "1.21",
+  "version": "1.21.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "n2words",
-      "version": "1.21",
+      "version": "1.21.0",
       "license": "MIT",
       "devDependencies": {
         "@babel/core": "^7.24.7",
diff --git a/package.json b/package.json
index ade1b6d..874e766 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "n2words",
-  "version": "1.21",
+  "version": "1.21.0",
   "description": "n2words converts a numerical number into a written one, supports 27 languages and has zero dependencies.",
   "keywords": [
     "n2words",