diff --git a/appveyor.yml b/appveyor.yml
index d11b4074f8..bf817e7b22 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-os: Visual Studio 2017
+os: Visual Studio 2017 RC
 platform:
 - Any CPU
 configuration: