diff --git a/Tools/msi/uuids.py b/Tools/msi/uuids.py
index ceb6e62..efdb585 100644
--- a/Tools/msi/uuids.py
+++ b/Tools/msi/uuids.py
@@ -37,4 +37,8 @@
     '2.5.1150':'{31800004-6386-4999-a519-518f2d78d8f0}', # 2.5.1
     '2.5.2150':'{6304a7da-1132-4e91-a343-a296269eab8a}', # 2.5.2c1
     '2.5.2150':'{6b976adf-8ae8-434e-b282-a06c7f624d2f}', # 2.5.2
+    '2.6.101': '{0ba82e1b-52fd-4e03-8610-a6c76238e8a8}', # 2.6a1
+    '2.6.102': '{3b27e16c-56db-4570-a2d3-e9a26180c60b}', # 2.6a2
+    '2.6.103': '{cd06a9c5-bde5-4bd7-9874-48933997122a}', # 2.6a3
+    '2.6.104': '{dc6ed634-474a-4a50-a547-8de4b7491e53}', # 2.6a4
 }