diff --git a/.gitignore b/.gitignore
index 6865c0f..eb90d52 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-/gambc-v4_6_6-devel.tgz
+/gambc-v4_7_2-devel.tgz
diff --git a/gambit-c.spec b/gambit-c.spec
index f556675..fdd6439 100644
--- a/gambit-c.spec
+++ b/gambit-c.spec
@@ -1,26 +1,28 @@
-%global _dirname gambc-v4_6_6-devel
+%global _dirname gambc-v4_7_2-devel
 
-# Using -O2 on ppc64 triggers ICE with gcc
+# Using -O2 on ppc64 triggers ICE with gcc < 4.6.4
 # http://www.iro.umontreal.ca/~gambit/bugzilla/show_bug.cgi?id=155
 # https://bugzilla.redhat.com/show_bug.cgi?id=808285
 # Use --with ppc64opt2 when rebuilding to see if this is fixed
 %bcond_with ppc64opt2
 
+%if 0%{?el6}
 %ifarch ppc64
-%if ! %{with ppc64opt2}
+if ! %{with ppc64opt2}
 %global optflags %(echo %{optflags} | sed 's/-O2 /-O1 /')
 %endif
-%endif
+%endif # ppc64
+%endif # el6
 
 Name:           gambit-c
-Version:        4.6.6
+Version:        4.7.2
 Release:        1%{?dist}
 Summary:        Scheme programming system
 
 Group:          Development/Languages
 License:        ASL 2.0 or LGPLv2
 URL:            http://www.iro.umontreal.ca/~gambit
-Source0:        http://www.iro.umontreal.ca/~gambit/download/gambit/v4.6/source/%{_dirname}.tgz
+Source0:        http://www.iro.umontreal.ca/~gambit/download/gambit/v4.7/source/%{_dirname}.tgz
 Source1:        gambit-init.el
 Patch0:         gambc-v4_2_8-modtime.patch
 Patch1:         gambc-v4_6_6-reduce-opt.patch
@@ -184,6 +186,9 @@ fi
 
 
 %changelog
+* Fri Feb  7 2014 Michel Salim <salimma@fedoraproject.org> - 4.7.2-1
+- Update to 4.7.2
+
 * Tue Nov 05 2013 Kyle McMartin <kyle@fedoraproject.org>
 - Fix FTBFS because of dirname macro, use _dirname instead.
 
diff --git a/sources b/sources
index dee6917..3445284 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-55776c2f88cab9a595cbd9487f474787  gambc-v4_6_6-devel.tgz
+edecc4b40b9f820d8eff9e09e206ae28  gambc-v4_7_2-devel.tgz