diff --git a/META.info b/META.info
index 6c2bfe4..7e746eb 100644
--- a/META.info
+++ b/META.info
@@ -1,4 +1,5 @@
 {
+    "perl"        : "6.*",
     "name"        : "Math::Polynomial",
     "version"     : "*",
     "description" : "Simple polynomial class",