diff --git a/package-lock.json b/package-lock.json
index 0efcd2d8..04fbac27 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "ical-generator",
-  "version": "7.2.1-develop.4",
+  "version": "8.0.0-develop.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "ical-generator",
-      "version": "7.2.1-develop.4",
+      "version": "8.0.0-develop.1",
       "license": "MIT",
       "dependencies": {
         "uuid-random": "^1.3.2"
diff --git a/package.json b/package.json
index 737c1eb7..7950bc1d 100644
--- a/package.json
+++ b/package.json
@@ -129,5 +129,5 @@
     "test": "mocha"
   },
   "type": "module",
-  "version": "7.2.1-develop.4"
+  "version": "8.0.0-develop.1"
 }