diff --git a/contrib/ChangeLog b/contrib/ChangeLog
index b030f6722fd..e5b4ee8eb97 100644
--- a/contrib/ChangeLog
+++ b/contrib/ChangeLog
@@ -1,3 +1,7 @@
+2017-10-02  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* gcc_update (files_and_dependencies): Handle libbacktrace.
+
 2017-08-14  Release Manager
 
 	* GCC 7.2.0 released.
diff --git a/contrib/gcc_update b/contrib/gcc_update
index fe643af68dc..47fff168ca4 100755
--- a/contrib/gcc_update
+++ b/contrib/gcc_update
@@ -172,6 +172,10 @@ liboffloadmic/configure: liboffloadmic/configure.ac
 liboffloadmic/plugin/aclocal.m4: liboffloadmic/plugin/configure.ac
 liboffloadmic/plugin/Makefile.in: liboffloadmic/plugin/Makefile.am
 liboffloadmic/plugin/configure: liboffloadmic/plugin/configure.ac
+libbacktrace/aclocal.m4: libbacktrace/configure.ac
+libbacktrace/Makefile.in: libbacktrace/Makefile.am libbacktrace/aclocal.m4
+libbacktrace/configure: libbacktrace/configure.ac libbacktrace/aclocal.m4
+libbacktrace/config.h.in: libbacktrace/configure.ac libbacktrace/aclocal.m4
 # Top level
 Makefile.in: Makefile.tpl Makefile.def
 configure: configure.ac config/acx.m4