diff --git a/extensions/akismet/js/package.json b/extensions/akismet/js/package.json
index e9818d585..2a12c82f5 100644
--- a/extensions/akismet/js/package.json
+++ b/extensions/akismet/js/package.json
@@ -1,6 +1,7 @@
 {
     "private": true,
     "name": "@flarum/akismet",
+    "version": "0.0.0",
     "prettier": "@flarum/prettier-config",
     "scripts": {
         "dev": "webpack --mode development --watch",
diff --git a/extensions/approval/js/package.json b/extensions/approval/js/package.json
index 8abf70830..016722c37 100644
--- a/extensions/approval/js/package.json
+++ b/extensions/approval/js/package.json
@@ -1,6 +1,7 @@
 {
     "private": true,
     "name": "@flarum/approval",
+    "version": "0.0.0",
     "prettier": "@flarum/prettier-config",
     "devDependencies": {
         "prettier": "^2.5.1",
diff --git a/extensions/embed/js/package.json b/extensions/embed/js/package.json
index 07148ad2f..07d44f4d9 100644
--- a/extensions/embed/js/package.json
+++ b/extensions/embed/js/package.json
@@ -1,6 +1,7 @@
 {
     "private": true,
     "name": "@flarum/embed",
+    "version": "0.0.0",
     "prettier": "@flarum/prettier-config",
     "dependencies": {
         "iframe-resizer": "^4.3.2"
diff --git a/extensions/emoji/js/package.json b/extensions/emoji/js/package.json
index 2227f6474..4ea7ebf01 100644
--- a/extensions/emoji/js/package.json
+++ b/extensions/emoji/js/package.json
@@ -1,6 +1,7 @@
 {
     "private": true,
     "name": "@flarum/emoji",
+    "version": "0.0.0",
     "prettier": "@flarum/prettier-config",
     "dependencies": {
         "simple-emoji-map": "^0.4.1",
diff --git a/extensions/flags/js/package.json b/extensions/flags/js/package.json
index 3258c1407..9c362963a 100644
--- a/extensions/flags/js/package.json
+++ b/extensions/flags/js/package.json
@@ -1,6 +1,7 @@
 {
     "private": true,
     "name": "@flarum/flags",
+    "version": "0.0.0",
     "prettier": "@flarum/prettier-config",
     "dependencies": {
         "@flarum/prettier-config": "^1.0.0",
diff --git a/extensions/likes/js/package.json b/extensions/likes/js/package.json
index 1a6a2d02f..164764e74 100644
--- a/extensions/likes/js/package.json
+++ b/extensions/likes/js/package.json
@@ -1,6 +1,7 @@
 {
     "private": true,
     "name": "@flarum/likes",
+    "version": "0.0.0",
     "prettier": "@flarum/prettier-config",
     "devDependencies": {
         "prettier": "^2.5.1",
diff --git a/extensions/lock/js/package.json b/extensions/lock/js/package.json
index 372b4f509..4740780ba 100644
--- a/extensions/lock/js/package.json
+++ b/extensions/lock/js/package.json
@@ -1,6 +1,7 @@
 {
     "private": true,
     "name": "@flarum/lock",
+    "version": "0.0.0",
     "prettier": "@flarum/prettier-config",
     "devDependencies": {
         "prettier": "^2.5.1",
diff --git a/extensions/markdown/js/package.json b/extensions/markdown/js/package.json
index 98f91d855..9f2f076a4 100644
--- a/extensions/markdown/js/package.json
+++ b/extensions/markdown/js/package.json
@@ -1,6 +1,7 @@
 {
     "private": true,
     "name": "@flarum/markdown",
+    "version": "0.0.0",
     "prettier": "@flarum/prettier-config",
     "dependencies": {
         "flarum-webpack-config": "^2.0.0",
diff --git a/extensions/mentions/js/package.json b/extensions/mentions/js/package.json
index 77fd605c2..9d9205440 100644
--- a/extensions/mentions/js/package.json
+++ b/extensions/mentions/js/package.json
@@ -1,6 +1,7 @@
 {
     "private": true,
     "name": "@flarum/mentions",
+    "version": "0.0.0",
     "prettier": "@flarum/prettier-config",
     "devDependencies": {
         "prettier": "^2.5.1",
diff --git a/extensions/package-manager/js/package.json b/extensions/package-manager/js/package.json
index 474734050..032630b9b 100755
--- a/extensions/package-manager/js/package.json
+++ b/extensions/package-manager/js/package.json
@@ -1,7 +1,7 @@
 {
+    "private": true,
     "name": "@flarum/package-manager",
     "version": "0.0.0",
-    "private": true,
     "prettier": "@flarum/prettier-config",
     "devDependencies": {
         "prettier": "^2.5.1",
diff --git a/extensions/pusher/js/package.json b/extensions/pusher/js/package.json
index 5408366f6..edc74736f 100644
--- a/extensions/pusher/js/package.json
+++ b/extensions/pusher/js/package.json
@@ -1,6 +1,7 @@
 {
     "private": true,
     "name": "@flarum/pusher",
+    "version": "0.0.0",
     "prettier": "@flarum/prettier-config",
     "scripts": {
         "dev": "webpack --mode development --watch",
diff --git a/extensions/statistics/js/package.json b/extensions/statistics/js/package.json
index 275497eea..f6a144394 100644
--- a/extensions/statistics/js/package.json
+++ b/extensions/statistics/js/package.json
@@ -1,6 +1,7 @@
 {
     "private": true,
     "name": "@flarum/statistics",
+    "version": "0.0.0",
     "prettier": "@flarum/prettier-config",
     "dependencies": {
         "frappe-charts": "^1.6.2"
diff --git a/extensions/sticky/js/package.json b/extensions/sticky/js/package.json
index 7b18743a7..b090173f4 100644
--- a/extensions/sticky/js/package.json
+++ b/extensions/sticky/js/package.json
@@ -1,6 +1,7 @@
 {
     "private": true,
     "name": "@flarum/sticky",
+    "version": "0.0.0",
     "prettier": "@flarum/prettier-config",
     "devDependencies": {
         "prettier": "^2.5.1",
diff --git a/extensions/subscriptions/js/package.json b/extensions/subscriptions/js/package.json
index 384bdaded..43c59de63 100644
--- a/extensions/subscriptions/js/package.json
+++ b/extensions/subscriptions/js/package.json
@@ -1,6 +1,7 @@
 {
     "private": true,
     "name": "@flarum/subscriptions",
+    "version": "0.0.0",
     "prettier": "@flarum/prettier-config",
     "devDependencies": {
         "prettier": "^2.5.1",
diff --git a/extensions/suspend/js/package.json b/extensions/suspend/js/package.json
index 9e36f9eaf..a1767a537 100644
--- a/extensions/suspend/js/package.json
+++ b/extensions/suspend/js/package.json
@@ -1,6 +1,7 @@
 {
     "private": true,
     "name": "@flarum/suspend",
+    "version": "0.0.0",
     "prettier": "@flarum/prettier-config",
     "scripts": {
         "dev": "webpack --mode development --watch",
diff --git a/extensions/tags/js/package.json b/extensions/tags/js/package.json
index 8d71ff660..8ea5bfe50 100644
--- a/extensions/tags/js/package.json
+++ b/extensions/tags/js/package.json
@@ -1,6 +1,7 @@
 {
     "private": true,
     "name": "@flarum/tags",
+    "version": "0.0.0",
     "dependencies": {
         "sortablejs": "^1.14.0"
     },
diff --git a/framework/core/js/package.json b/framework/core/js/package.json
index 66d087445..bf55a042d 100644
--- a/framework/core/js/package.json
+++ b/framework/core/js/package.json
@@ -1,6 +1,7 @@
 {
     "private": true,
     "name": "@flarum/core",
+    "version": "0.0.0",
     "prettier": "@flarum/prettier-config",
     "dependencies": {
         "@askvortsov/rich-icu-message-formatter": "^0.2.4",