diff --git a/package-lock.json b/package-lock.json
index 3ad72fc..eeb5e2e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "dicoogle-client",
-  "version": "5.2.2",
+  "version": "6.0.0-rc.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "dicoogle-client",
-      "version": "5.2.2",
+      "version": "6.0.0-rc.1",
       "license": "GPL-3.0+",
       "dependencies": {
         "@types/superagent": "^4.1.15",
diff --git a/package.json b/package.json
index b357b9a..5092e92 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "client",
     "api"
   ],
-  "version": "5.2.2",
+  "version": "6.0.0-rc.1",
   "engines": {
     "node": ">=16",
     "npm": ">=7"