diff --git a/appveyor.yml b/appveyor.yml
index 4fcf06c10..6fc65fada 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -12,21 +12,6 @@ environment:
 
   matrix:
 
-    - PYTHON: "C:\\Python27"
-      PYTHON_VERSION: "2.7"
-      PYTHON_ARCH: "32"
-      UIA_SUPPORT: "NO"
-
-    - PYTHON: "C:\\Python27-x64"
-      PYTHON_VERSION: "2.7"
-      PYTHON_ARCH: "64"
-      UIA_SUPPORT: "YES"
-
-    - PYTHON: "C:\\Python35"
-      PYTHON_VERSION: "3.5"
-      PYTHON_ARCH: "32"
-      UIA_SUPPORT: "YES"
-
     - PYTHON: "C:\\Python37"
       PYTHON_VERSION: "3.7"
       PYTHON_ARCH: "32"
diff --git a/ci/install.ps1 b/ci/install.ps1
index 35764b414..5af810cc2 100644
--- a/ci/install.ps1
+++ b/ci/install.ps1
@@ -86,7 +86,7 @@ function UpdateConda ($python_home) {
 
 function InstallComtypes ($python_home) {
     $pip_path = $python_home + "\Scripts\pip.exe"
-    $args = "install comtypes"
+    $args = "install https://github.com/junkmd/comtypes/archive/refs/heads/early_enum_defs.zip"
     Start-Process -FilePath "$pip_path" -ArgumentList $args -Wait -Passthru
 }