diff --git a/src/Main/main.cxx b/src/Main/main.cxx
index 277957a2f..0b2c3de07 100644
--- a/src/Main/main.cxx
+++ b/src/Main/main.cxx
@@ -1474,7 +1474,7 @@ int mainLoop( int argc, char **argv ) {
     fgInitFGRoot(argc, argv);
 
     // Check for the correct base package version
-    static char required_version[] = "0.8.0";
+    static char required_version[] = "0.9.0";
     string base_version = fgBasePackageVersion();
     if ( !(base_version == required_version) ) {
         // tell the operator how to use this application