diff --git a/.hgtags b/.hgtags
new file mode 100644
index 00000000000..e704ed6249e
--- /dev/null
+++ b/.hgtags
@@ -0,0 +1,2 @@
+0000000000000000000000000000000000000000 stable
+4145ad4cc511c5e45a1add770aa6548ea2e94d9e stable