diff --git a/appveyor.yml b/appveyor.yml
index 667fd59..4e21f66 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -6,19 +6,11 @@ environment:
     secure: AbhjnJXZWHhEiEN6cjQmZ4hCn05Ff/V2CCBv4mZux9NljqdYgHfnVT4nBgsKiaQJ
 
   matrix:
+    - PYTHON_VERSION: "3.7"
+      MPL_VERSION: "3.0"
     - PYTHON_VERSION: "3.6"
       MPL_VERSION: "2.2"
     - PYTHON_VERSION: "3.6"
-      MPL_VERSION: "2.1"
-    - PYTHON_VERSION: "3.6"
-      MPL_VERSION: "2.0"
-    - PYTHON_VERSION: "3.6"
-      MPL_VERSION: "1.5"
-    - PYTHON_VERSION: "3.5"
-      MPL_VERSION: "2.1"
-    - PYTHON_VERSION: "3.5"
-      MPL_VERSION: "2.0"
-    - PYTHON_VERSION: "3.5"
       MPL_VERSION: "1.5"
 install:
   # save local state and delete the GH_REPO_TOKEN because it is not needed
diff --git a/ci/install_python.ps1 b/ci/install_python.ps1
index 70f5b30..c66393d 100644
--- a/ci/install_python.ps1
+++ b/ci/install_python.ps1
@@ -10,7 +10,7 @@ $BASE_URL = "https://www.python.org/ftp/python/"
 
 function DownloadMiniconda ($python_version, $platform_suffix) {
     $webclient = New-Object System.Net.WebClient
-    if ($python_version -match "3.[456]") {
+    if ($python_version -match "3.[4567]") {
         $filename = "Miniconda3-latest-Windows-" + $platform_suffix + ".exe"
     } else {
         $filename = "Miniconda-latest-Windows-" + $platform_suffix + ".exe"