diff --git a/appveyor.yml b/appveyor.yml
index e69bb64e..f5faee5c 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -8,13 +8,13 @@ environment:
     - PYTHON_VERSION: 3.5
       MINICONDA: C:\Miniconda35-x64
     - PYTHON_VERSION: 3.6
-      MINICONDA: C:\Miniconda38-x64
+      MINICONDA: C:\Miniconda36-x64
     - PYTHON_VERSION: 3.7
-      MINICONDA: C:\Miniconda38-x64
+      MINICONDA: C:\Miniconda36-x64
     - PYTHON_VERSION: 3.8
-      MINICONDA: C:\Miniconda38-x64
+      MINICONDA: C:\Miniconda36-x64
     - PYTHON_VERSION: 3.9
-      MINICONDA: C:\Miniconda38-x64
+      MINICONDA: C:\Miniconda36-x64
 
 #configuration:
 #  - Debug