diff --git a/Packages/Interval_arithmetic/version b/Packages/Interval_arithmetic/version
index 5c4baf0b139..5a7a6e780a9 100644
--- a/Packages/Interval_arithmetic/version
+++ b/Packages/Interval_arithmetic/version
@@ -1 +1 @@
-4.168 ( 8 Jul 2003)
+4.169 (10 Jul 2003)