diff --git a/Packages/kdtree/version b/Packages/kdtree/version
index e7290f07b7d..34efb4e1aa0 100644
--- a/Packages/kdtree/version
+++ b/Packages/kdtree/version
@@ -1 +1 @@
-2.2.30 ( 7 Jan 2003)
+2.2.31 (30 Jan 2003)