diff --git a/charts.info b/charts.info
index f42e5a20cf3419698019c83b3ecedf77166861da..31b70f3d015e73172f6c37cdcee5b3d084292633 100644
--- a/charts.info
+++ b/charts.info
@@ -8,3 +8,4 @@ files[]         = charts.hooks.inc
 files[]         = charts.install
 name            = "Charts"
 package         = "Charts"
+php             = 5.2
\ No newline at end of file