diff --git a/.hgtags b/.hgtags
--- a/.hgtags
+++ b/.hgtags
@@ -1448,5 +1448,6 @@
 fa72e773a9ebcd6de1c0e0d25e1cb6b07f09b6e8 FIREFOX_64_0b14_BUILD1
 fa72e773a9ebcd6de1c0e0d25e1cb6b07f09b6e8 DEVEDITION_64_0b14_RELEASE
 fa72e773a9ebcd6de1c0e0d25e1cb6b07f09b6e8 FIREFOX_64_0b14_RELEASE
 e4535e943651ce499a93bbc4592cb16adab897bd FIREFOX_RELEASE_64_BASE
 0010639216223e5f5fcf753bb64fb93588d787bd FIREFOX_RELEASE_63_END
+80a34446b74a1ee3d0d5e3bf69232b8b0a5e64ab FIREFOX_64_0_BUILD1
diff --git a/.arcconfig b/.arcconfig
--- a/.arcconfig
+++ b/.arcconfig
@@ -1,5 +1,5 @@
 {
-  "phabricator.uri" : "https://phabricator.services.mozilla.com/",
+  "phabricator.uri" : "https://phabricator-dev.allizom.org/",
   "repository.callsign": "MOZILLACENTRAL",
   "history.immutable": false
 }