diff --git a/Packages/Interval_arithmetic/changes.txt b/Packages/Interval_arithmetic/changes.txt
index 18d8ef6d53e..496617a1841 100644
--- a/Packages/Interval_arithmetic/changes.txt
+++ b/Packages/Interval_arithmetic/changes.txt
@@ -1,3 +1,6 @@
+Version 4.175 on 4 August 2003
+- Added a typename
+
 Version 4.174 on 29 July 2003
 - Replaced _MSC_VER check in Filtered_predicate.h avec CGAL_CFG_OUTOFLINE_MEMBER_DEFINITION_BUG that seems it is needed for SunPro 5 and VC7.0