More 3.0 -> 3.1 transistions
diff --git a/PCbuild/pyproject.vsprops b/PCbuild/pyproject.vsprops
index f16cf00..703c2f4 100644
--- a/PCbuild/pyproject.vsprops
+++ b/PCbuild/pyproject.vsprops
@@ -38,7 +38,7 @@
 	/>
 	<UserMacro
 		Name="PyDllName"
-		Value="python30"
+		Value="python31"
 	/>
 	<UserMacro
 		Name="PythonExe"