diff --git a/client/package.json b/client/package.json
index a0594f24..134b3002 100644
--- a/client/package.json
+++ b/client/package.json
@@ -1,6 +1,6 @@
 {
   "name": "facilmap-client",
-  "version": "5.0.0",
+  "version": "5.0.0-alpha",
   "description": "A library that acts as a client to FacilMap and makes it possible to retrieve and modify objects on a collaborative map.",
   "keywords": [
     "maps",
diff --git a/docs/package.json b/docs/package.json
index 5f6d49f9..1f18d8ac 100755
--- a/docs/package.json
+++ b/docs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "facilmap-docs",
-  "version": "5.0.0",
+  "version": "5.0.0-alpha",
   "description": "Documentation for FacilMap.",
   "author": "Candid Dauth <cdauth@cdauth.eu>",
   "repository": {
diff --git a/frontend/package.json b/frontend/package.json
index e4ac0b7d..0a1ea545 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "facilmap-frontend",
-  "version": "5.0.0",
+  "version": "5.0.0-alpha",
   "description": "A fully-featured OpenStreetMap-based map where markers and lines can be added with live collaboration.",
   "keywords": [
     "maps",
diff --git a/integration-tests/package.json b/integration-tests/package.json
index 1838f134..923f2d78 100644
--- a/integration-tests/package.json
+++ b/integration-tests/package.json
@@ -1,6 +1,6 @@
 {
   "name": "facilmap-integration-tests",
-  "version": "5.0.0",
+  "version": "5.0.0-alpha",
   "private": true,
   "type": "module",
   "homepage": "https://github.com/FacilMap/facilmap",
diff --git a/leaflet/package.json b/leaflet/package.json
index 3e6daa4e..aedf027b 100644
--- a/leaflet/package.json
+++ b/leaflet/package.json
@@ -1,6 +1,6 @@
 {
   "name": "facilmap-leaflet",
-  "version": "5.0.0",
+  "version": "5.0.0-alpha",
   "description": "Utilities to show FacilMap objects on a Leaflet map.",
   "keywords": [
     "maps",
diff --git a/server/package.json b/server/package.json
index e8e39a93..aff6968e 100644
--- a/server/package.json
+++ b/server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "facilmap-server",
-  "version": "5.0.0",
+  "version": "5.0.0-alpha",
   "type": "module",
   "description": "A fully-featured OpenStreetMap-based map where markers and lines can be added with live collaboration.",
   "keywords": [
diff --git a/types/package.json b/types/package.json
index 7a752259..58b72920 100644
--- a/types/package.json
+++ b/types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "facilmap-types",
-  "version": "5.0.0",
+  "version": "5.0.0-alpha",
   "description": "Typescript typings for the FacilMap communication between client and server.",
   "homepage": "https://github.com/FacilMap/facilmap",
   "bugs": {
diff --git a/utils/package.json b/utils/package.json
index 11bcd3f5..aa6e9af9 100644
--- a/utils/package.json
+++ b/utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "facilmap-utils",
-  "version": "5.0.0",
+  "version": "5.0.0-alpha",
   "description": "FacilMap helper functions used in both the frontend and backend.",
   "keywords": [
     "facilmap"