diff --git a/gjs.spec b/gjs.spec
index 7cd3067..9b0a512 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 78.14.0-1
+%global mozjs78_version 78.15.0-1
 
 Name:           gjs
 Version:        1.70.0
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Javascript Bindings for GNOME
 
 # The following files contain code from Mozilla which
@@ -68,7 +68,7 @@ the functionality of the installed gjs package.
 %meson_install
 
 %check
-%{shrink:xvfb-run -s "-screen 0 1600x1200x24" %meson_test}
+%{shrink:xvfb-run -s "-screen 0 1600x1200x24" %meson_test --timeout-multiplier=5}
 
 %files
 %license COPYING
@@ -93,6 +93,10 @@ the functionality of the installed gjs package.
 %{_datadir}/installed-tests/
 
 %changelog
+* Mon Oct 04 2021 Frantisek Zatloukal <fzatlouk@redhat.com> - 1.70.0-3
+- Rebuild against mozjs78-78.15.0-1
+- Increase test timeouts to make it more reliable on armv7
+
 * Mon Sep 27 2021 Frantisek Zatloukal <fzatlouk@redhat.com> - 1.70.0-2
 - Rebuild against mozjs78-78.14.0-1