diff --git a/.appveyor.yml b/.appveyor.yml
index cd270f5c7..c04bfa2ad 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -21,8 +21,8 @@ environment:
 
   matrix:
 
-    - PYTHON: "C:\\Python37"
-      PYTHON_VERSION: "3.7.x"
+    - PYTHON: "C:\\Python36"
+      PYTHON_VERSION: "3.6.x"
       PYTHON_ARCH: "32"
       RUBY: C:\Ruby25\bin