diff --git a/client/bin/www b/client/bin/www
index d6b5b056..35865097 100644
--- a/client/bin/www
+++ b/client/bin/www
@@ -112,5 +112,5 @@ function onListening() {
   debug('Listening on ' + bind);
 }
 
-console.log("DCS Olympus server v0.4.8 started correctly!")
+console.log("DCS Olympus server v0.4.9-alpha-rc1 started correctly!")
 console.log("Waiting for connections...")
diff --git a/client/package-lock.json b/client/package-lock.json
index bd56581b..43012780 100644
--- a/client/package-lock.json
+++ b/client/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "DCSOlympus",
-  "version": "v0.4.8-alpha",
+  "version": "v0.4.9-alpha-rc1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "DCSOlympus",
-      "version": "v0.4.8-alpha",
+      "version": "v0.4.9-alpha-rc1",
       "dependencies": {
         "@turf/turf": "^6.5.0",
         "body-parser": "^1.20.2",
diff --git a/client/package.json b/client/package.json
index 98541a71..fa8befe2 100644
--- a/client/package.json
+++ b/client/package.json
@@ -2,7 +2,7 @@
   "name": "DCSOlympus",
   "node-main": "./bin/www",
   "main": "http://localhost:3000",
-  "version": "v0.4.8-alpha",
+  "version": "v0.4.9-alpha-rc1",
   "private": true,
   "scripts": {
     "build": "browserify .\\src\\index.ts --debug -o .\\public\\javascripts\\bundle.js -t [ babelify --global true --presets [ @babel/preset-env ] --extensions '.js'] -p [ tsify --noImplicitAny ] && copy.bat",
diff --git a/client/src/olympusapp.ts b/client/src/olympusapp.ts
index ccafb710..1a199df6 100644
--- a/client/src/olympusapp.ts
+++ b/client/src/olympusapp.ts
@@ -29,7 +29,7 @@ import { UnitListPanel } from "./panels/unitlistpanel";
 import { ContextManager } from "./context/contextmanager";
 import { Context } from "./context/context";
 
-var VERSION = "v0.4.8-alpha";
+var VERSION = "v0.4.9-alpha-rc1";
 
 export class OlympusApp {
     /* Global data */
diff --git a/client/views/other/dialogs/splash.ejs b/client/views/other/dialogs/splash.ejs
index db25cd19..db63aa8d 100644
--- a/client/views/other/dialogs/splash.ejs
+++ b/client/views/other/dialogs/splash.ejs
@@ -3,7 +3,7 @@
         <div id="app-summary">
             <h2>DCS Olympus</h2>
             <h4>Dynamic Unit Command</h4>
-            <div class="app-version">Version <span class="app-version-number">v0.4.8-alpha</span></div>
+            <div class="app-version">Version <span class="app-version-number">v0.4.9-alpha-rc1</span></div>
             <div class="app-version">Latest version <span id="latest-version" class="app-version-number"></span></div>
         </div>
 
diff --git a/client/views/toolbars/primary.ejs b/client/views/toolbars/primary.ejs
index 01afc8c7..8052c011 100644
--- a/client/views/toolbars/primary.ejs
+++ b/client/views/toolbars/primary.ejs
@@ -6,7 +6,7 @@
         <div class="ol-select-options">
             <div id="toolbar-summary">
                 <h3>DCS Olympus</h3>
-                <div class="accent-green app-version-number">version v0.4.8-alpha</div>
+                <div class="accent-green app-version-number">version v0.4.9-alpha-rc1</div>
             </div>
             <div>
                 <a href="https://discord.gg/wWXyVVBZT7" target="_blank">Discord</a>
diff --git a/installer/olympus.iss b/installer/olympus.iss
index c2aaba01..fbd2586e 100644
--- a/installer/olympus.iss
+++ b/installer/olympus.iss
@@ -1,6 +1,6 @@
 #define nwjsFolder "..\..\nwjs\"
 #define nodejsFolder "..\..\node\"
-#define version "v0.4.8-alpha"
+#define version "v0.4.9-alpha-rc1"
 
 [Setup] 
 AppName=DCS Olympus 
diff --git a/mod/entry.lua b/mod/entry.lua
index 5a3367d1..bec4e299 100644
--- a/mod/entry.lua
+++ b/mod/entry.lua
@@ -15,7 +15,7 @@ declare_plugin(self_ID,
 	shortName	 = "Olympus",
 	fileMenuName = "Olympus",
 
-	version		 = "v0.4.8-alpha",
+	version		 = "v0.4.9-alpha-rc1",
 	state		 = "installed",
 	developerName= "DCS Refugees 767 squadron",
 	info		 = _("DCS Olympus is a mod for DCS World. It allows users to spawn, control, task, group, and remove units from a DCS World server using a real-time map interface, similarly to Real Time Strategy games. The user interface also provides useful informations units, like loadouts, fuel, tasking, and so on. In the future, more features for DCS World GCI and JTAC will be available."),
diff --git a/scripts/OlympusCommand.lua b/scripts/OlympusCommand.lua
index 50a0b539..fc4c18bf 100644
--- a/scripts/OlympusCommand.lua
+++ b/scripts/OlympusCommand.lua
@@ -1,4 +1,4 @@
-local version = "v0.4.8-alpha"
+local version = "v0.4.9-alpha-rc1"
 
 local debug = false				-- True enables debug printing using DCS messages
 
diff --git a/scripts/OlympusHook.lua b/scripts/OlympusHook.lua
index 35e20fd7..8fe199b2 100644
--- a/scripts/OlympusHook.lua
+++ b/scripts/OlympusHook.lua
@@ -1,4 +1,4 @@
-local version = 'v0.4.8-alpha'
+local version = 'v0.4.9-alpha-rc1'
 
 Olympus = {}
 Olympus.OlympusDLL = nil
diff --git a/src/shared/include/defines.h b/src/shared/include/defines.h
index 70e12cd7..1f08c0c3 100644
--- a/src/shared/include/defines.h
+++ b/src/shared/include/defines.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#define VERSION "v0.4.8-alpha"
+#define VERSION "v0.4.9-alpha-rc1"
 #define LOG_NAME "Olympus_log.txt"
 #define REST_ADDRESS "http://localhost:30000"
 #define REST_URI "olympus"
diff --git a/version.json b/version.json
index 7557de04..23d1fde5 100644
--- a/version.json
+++ b/version.json
@@ -1,3 +1,3 @@
 {
-  "version": "v0.4.8-alpha"
+  "version": "v0.4.9-alpha-rc1"
 }