Add 2.7.1 UUIDs.
diff --git a/Tools/msi/uuids.py b/Tools/msi/uuids.py
index 55baba6..1162040 100644
--- a/Tools/msi/uuids.py
+++ b/Tools/msi/uuids.py
@@ -50,4 +50,7 @@
     '2.7.121': '{f530c94a-dd53-4de9-948e-b632b9cb48d2}', # 2.7c1
     '2.7.122': '{f80905d2-dd8d-4b8e-8a40-c23c93dca07d}', # 2.7c2
     '2.7.150': '{20c31435-2a0a-4580-be8b-ac06fc243ca4}', # 2.7.0
+    '2.7.1121':'{60a4036a-374c-4fd2-84b9-bfae7db03931}', # 2.7.1rc1
+    '2.7.1122':'{5965e7d1-5584-4de9-b13a-694e0b2ee3a6}', # 2.7.1rc2
+    '2.7.1150':'{32939827-d8e5-470a-b126-870db3c69fdf}', # 2.7.1
 }