diff --git a/mozilla/webtools/bugzilla/.bzrrev b/mozilla/webtools/bugzilla/.bzrrev
index 97961291562..cf84ca53496 100644
--- a/mozilla/webtools/bugzilla/.bzrrev
+++ b/mozilla/webtools/bugzilla/.bzrrev
@@ -1 +1 @@
-9213
\ No newline at end of file
+9214
\ No newline at end of file
diff --git a/mozilla/webtools/bugzilla/.gitrev b/mozilla/webtools/bugzilla/.gitrev
index 3c43f6e9176..18824c42980 100644
--- a/mozilla/webtools/bugzilla/.gitrev
+++ b/mozilla/webtools/bugzilla/.gitrev
@@ -1 +1 @@
-ee5198e9e0c4197327f96f27c7e4347259dc5a74
\ No newline at end of file
+e673eb9a8a8ad26a0016d5806c8fec2c5e5a096b
\ No newline at end of file
diff --git a/mozilla/webtools/bugzilla/Bugzilla/UserAgent.pm b/mozilla/webtools/bugzilla/Bugzilla/UserAgent.pm
index 963e3051139..6ceb9d3c5ce 100644
--- a/mozilla/webtools/bugzilla/Bugzilla/UserAgent.pm
+++ b/mozilla/webtools/bugzilla/Bugzilla/UserAgent.pm
@@ -106,6 +106,7 @@ use constant OS_MAP => (
     qr/\(.*Android.*\)/ => ["Android"],
     # Windows
     qr/\(.*Windows XP.*\)/ => ["Windows XP"],
+    qr/\(.*Windows NT 6\.4.*\)/ => ["Windows 10"],
     qr/\(.*Windows NT 6\.3.*\)/ => ["Windows 8.1"],
     qr/\(.*Windows NT 6\.2.*\)/ => ["Windows 8"],
     qr/\(.*Windows NT 6\.1.*\)/ => ["Windows 7"],