diff --git a/arm-builder01 b/arm-builder01
new file mode 100644
index 0000000..525e31a
--- /dev/null
+++ b/arm-builder01
@@ -0,0 +1 @@
+dotnet9.0
diff --git a/x64-builder02 b/x64-builder02
deleted file mode 100644
index dfd5d4c..0000000
--- a/x64-builder02
+++ /dev/null
@@ -1 +0,0 @@
-mc