diff --git a/global.json b/global.json
new file mode 100644
index 0000000000..1e3e060e88
--- /dev/null
+++ b/global.json
@@ -0,0 +1,5 @@
+{
+  "sdk": {
+    "version": "1.0.0-preview4-004233"
+  }
+}