diff --git a/conf/core/server.conf b/conf/core/server.conf
index 1eb96c7bf2dd2a5a216c81222e548a6155636091..f831f074d1904b53b481f1ad9496c6093f7a8eed 100644
--- a/conf/core/server.conf
+++ b/conf/core/server.conf
@@ -68,7 +68,7 @@ MYSQL_USER_NAME=caosdb
 # Password for the user
 MYSQL_USER_PASSWORD=caosdb
 # Schema of mysql procedures and tables which is required by this CaosDB instance
-MYSQL_SCHEMA_VERSION=v3.0.0-rc2
+MYSQL_SCHEMA_VERSION=v4.0.0-rc1
 
 
 # --------------------------------------------------