diff --git a/gjs.spec b/gjs.spec
index fc1b6a0..70804a3 100644
--- a/gjs.spec
+++ b/gjs.spec
@@ -1,10 +1,10 @@
 %global glib2_version 2.66.0
 %global gobject_introspection_version 1.66.0
-%global mozjs78_version 78.12.0-1
+%global mozjs78_version 78.13.0-1
 
 Name:           gjs
 Version:        1.68.1
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        Javascript Bindings for GNOME
 
 # The following files contain code from Mozilla which
@@ -93,6 +93,9 @@ the functionality of the installed gjs package.
 %{_datadir}/installed-tests/
 
 %changelog
+* Mon Aug 09 2021 Frantisek Zatloukal <fzatlouk@redhat.com> - 1.68.1-5
+- Rebuild against mozjs78-78.13.0-1
+
 * Thu Jul 22 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.68.1-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild