diff --git a/sagemath.spec b/sagemath.spec
index 7b30fc2..6b1cf36 100644
--- a/sagemath.spec
+++ b/sagemath.spec
@@ -42,7 +42,7 @@ Name:		sagemath
 Group:		Applications/Engineering
 Summary:	A free open-source mathematics software system
 Version:	6.5
-Release:	11%{?dist}
+Release:	12%{?dist}
 # The file ${SAGE_ROOT}/COPYING.txt is the upstream license breakdown file
 # Additionally, every $files section has a comment with the license name
 # before files with that license
@@ -1376,6 +1376,9 @@ exit 0
 
 ########################################################################
 %changelog
+* Sat Oct  3 2015 Jerry James <loganjerry@gmail.com> - 6.5-12
+- Rebuild for ecl 16.0.0
+
 * Sat Sep 19 2015 Jerry James <loganjerry@gmail.com> - 6.5-11
 - Rebuild for eclib 20150827, flint 2.5.2, and ntl 9.3.0