diff --git a/Packages/Triangulation_3/version b/Packages/Triangulation_3/version
index 89a11060fb1..1865872485f 100644
--- a/Packages/Triangulation_3/version
+++ b/Packages/Triangulation_3/version
@@ -1 +1 @@
-1.56 ( 1 Jun 2001)
+1.57 ( 5 Jun 2001)