diff --git a/firefox.spec b/firefox.spec
index 732ab8e..456aac4 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -3,7 +3,7 @@
 %global debug_build       0
 %global build_with_clang  0
 %global build_with_asan   0
-%global run_firefox_tests 1
+%global run_firefox_tests 0
 %global test_offscreen    1
 %global test_on_wayland   0
 %global create_debuginfo  1
@@ -126,7 +126,7 @@ ExcludeArch: s390x
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
 Version:        84.0
-Release:        2%{?pre_tag}%{?dist}
+Release:        3%{?pre_tag}%{?dist}
 URL:            https://www.mozilla.org/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 Source0:        https://archive.mozilla.org/pub/firefox/releases/%{version}%{?pre_version}/source/firefox-%{version}%{?pre_version}.source.tar.xz
@@ -991,6 +991,10 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
+* Wed Dec 16 2020 Martin Stransky <stransky@redhat.com> - 84.0-3
+- Updated to Firefox 84 Build 3
+- Disabled system nss due to addon breakage (rhbz#1908018).
+
 * Wed Dec 9 2020 Martin Stransky <stransky@redhat.com> - 83.0-15
 - Enabled tests everywhere
 - Enabled crash reporter