diff --git a/contrib/ChangeLog b/contrib/ChangeLog
index 45ccc16475676865b2151be08b9d0d7410aa935f..df4b1bc0b808a04e44e1967943a7ead7cb292cb6 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.
+
 2017-09-18  Richard Biener  <rguenther@suse.de>
 
 	* download_prerequisites (isl): Bump version to 0.18.
diff --git a/contrib/gcc_update b/contrib/gcc_update
index 8c111959fbaa1a16a242baabbf366f7ca596696d..2e5d5ff69ba69610b28a495825a77167bf79274e 100755
--- a/contrib/gcc_update
+++ b/contrib/gcc_update
@@ -168,6 +168,10 @@ 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