diff --git a/.github/appveyor.yml b/.github/appveyor.yml
index e8012f69ee5..8556cf8437e 100644
--- a/.github/appveyor.yml
+++ b/.github/appveyor.yml
@@ -1,4 +1,4 @@
-version: 3.8build{build}
+version: 3.9build{build}
 clone_depth: 5
 branches:
   only: