ensure we create a v2 meta file

diff --git a/Makefile.PL b/Makefile.PL
index 0b79b06..6aba500 100644 (file)
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -30,6 +30,7 @@ WriteMakefile(
   },
 
   META_MERGE => {
+    'meta-spec' => { version => 2 },
     no_index => {
       directory => [ 'xt' ]
     }