diff --git a/Tools/msi/msi.py b/Tools/msi/msi.py
index 93c6ba7..adf470f 100644
--- a/Tools/msi/msi.py
+++ b/Tools/msi/msi.py
@@ -104,6 +104,7 @@
 pythondll_uuid = {
     "24":"{9B81E618-2301-4035-AC77-75D9ABEB7301}",
     "25":"{2e41b118-38bd-4c1b-a840-6977efd1b911}"
+    "26":"{34ebecac-f046-4e1c-b0e3-9bac3cdaacfa}",
     } [major+minor]
 
 # Build the mingw import library, libpythonXY.a