diff --git a/Packages/Sweep_line_2/version b/Packages/Sweep_line_2/version
index 0e45ac57d64..840b61c186e 100644
--- a/Packages/Sweep_line_2/version
+++ b/Packages/Sweep_line_2/version
@@ -1 +1 @@
-1.58 ( 1 Jan 2000)
+1.59 (30 Jun 2003)