diff --git a/Packages/Interval_skip_list/version b/Packages/Interval_skip_list/version
index 074171d902d..064b0b5b111 100644
--- a/Packages/Interval_skip_list/version
+++ b/Packages/Interval_skip_list/version
@@ -1 +1 @@
-1.9 (21 Oct 2003)
+1.10 (23 Oct 2003)