diff --git a/R-IRanges.spec b/R-IRanges.spec
index 00b27f3..2f717c2 100644
--- a/R-IRanges.spec
+++ b/R-IRanges.spec
@@ -3,8 +3,8 @@
 %global Rvers     2.9.0
 
 Name:             R-%{packname}
-Version:          1.2.0
-Release:          2%{?dist}
+Version:          1.2.3
+Release:          1%{?dist}
 Summary:          Low-level containers for storing sets of integer ranges
 
 Group:            Applications/Engineering 
@@ -89,6 +89,9 @@ rm -rf %{buildroot}
 %{_libdir}/R/library/%{packname}/include
 
 %changelog
+* Fri Jun 12 2009 pingou <pingou@pingoured.fr> 1.2.3-1
+- Update to 1.2.3
+
 * Wed Apr 29 2009 pingou <pingou@pingoured.fr> 1.2.0-2
 - Update the file section to package doc
 - Update the Requires and BR to take into account R version
diff --git a/sources b/sources
index 335909c..e362b19 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-8238de000879adfc6aaa761b2dbfb6f9  IRanges_1.2.0.tar.gz
+cf3c6cd86aeed5106259509e3522f63c  IRanges_1.2.3.tar.gz