diff --git a/gjs.spec b/gjs.spec
index c42916c..31d6c71 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 78.9.0-1
+%global mozjs78_version 78.10.0-1
 
 Name:          gjs
 Version:       1.68.0
-Release:       4%{?dist}
+Release:       5%{?dist}
 Summary:       Javascript Bindings for GNOME
 
 # The following files contain code from Mozilla which
@@ -102,6 +102,9 @@ the functionality of the installed gjs package.
 %{_datadir}/installed-tests/
 
 %changelog
+* Tue Apr 20 2021 Frantisek Zatloukal <fzatlouk@redhat.com> - 1.68.0-5
+- Rebuild against mozjs78-78.10.0-1
+
 * Mon Mar 29 2021 Adam Williamson <awilliam@redhat.com> - 1.68.0-4
 - Backport several bugfixes from upstream main branch