diff --git a/switch-composer.php b/switch-composer.php
index 540f13663..83b073117 100644
--- a/switch-composer.php
+++ b/switch-composer.php
@@ -8,7 +8,7 @@
 
 
 // >= 6.4.0.0 
-const SW_VERSIONS_RELEASE = '>=6.4.0';
+const SW_VERSIONS_RELEASE = '6.4.0.0 - 6.6.0.0';
 const SW_VERSIONS_DEV = '*';