diff --git a/modules/system/classes/UpdateManager.php b/modules/system/classes/UpdateManager.php
index c1d0cb42b0..d5a349b2cf 100644
--- a/modules/system/classes/UpdateManager.php
+++ b/modules/system/classes/UpdateManager.php
@@ -14,7 +14,7 @@ class UpdateManager
     /**
      * @var string WANT_VERSION is the default composer version string to use.
      */
-    const WANT_VERSION = '^3.6';
+    const WANT_VERSION = '^3.7';
 
     /**
      * Requests details about a project based on its identifier.