diff --git a/appveyor.yml b/appveyor.yml
index 4fcf06c10..acb22fdf7 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -12,50 +12,40 @@ environment:
 
   matrix:
 
-    - PYTHON: "C:\\Python27"
-      PYTHON_VERSION: "2.7"
+    - PYTHON: "C:\\Python38"
+      PYTHON_VERSION: "3.8"
       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: "C:\\Python38"
+      PYTHON_VERSION: "3.8"
       PYTHON_ARCH: "32"
       UIA_SUPPORT: "YES"
 
-    - PYTHON: "C:\\Python37"
-      PYTHON_VERSION: "3.7"
-      PYTHON_ARCH: "32"
-      UIA_SUPPORT: "NO"
-
-    - PYTHON: "C:\\Python37-x64"
-      PYTHON_VERSION: "3.7"
+    - PYTHON: "C:\\Python38-x64"
+      PYTHON_VERSION: "3.8"
       PYTHON_ARCH: "64"
-      UIA_SUPPORT: "YES"
+      UIA_SUPPORT: "NO"
 
     - PYTHON: "C:\\Python38-x64"
       PYTHON_VERSION: "3.8"
       PYTHON_ARCH: "64"
       UIA_SUPPORT: "YES"
 
-    - PYTHON: "C:\\Python39"
-      PYTHON_VERSION: "3.9"
-      PYTHON_ARCH: "32"
-      UIA_SUPPORT: "YES"
+    # - PYTHON: "C:\\Python39"
+    #   PYTHON_VERSION: "3.9"
+    #   PYTHON_ARCH: "32"
+    #   UIA_SUPPORT: "YES"
 
-    - PYTHON: "C:\\Python310-x64"
-      PYTHON_VERSION: "3.10"
-      PYTHON_ARCH: "64"
-      UIA_SUPPORT: "YES"
+    # - PYTHON: "C:\\Python310-x64"
+    #   PYTHON_VERSION: "3.10"
+    #   PYTHON_ARCH: "64"
+    #   UIA_SUPPORT: "YES"
 
-    - PYTHON: "C:\\Python311-x64"
-      PYTHON_VERSION: "3.11"
-      PYTHON_ARCH: "64"
-      UIA_SUPPORT: "YES"
+    # - PYTHON: "C:\\Python311-x64"
+    #   PYTHON_VERSION: "3.11"
+    #   PYTHON_ARCH: "64"
+    #   UIA_SUPPORT: "YES"
 
 #init:
   # Enable RDP.
diff --git a/ci/install.ps1 b/ci/install.ps1
index 35764b414..7a4b59a05 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"
+    $args = "install https://github.com/junkmd/comtypes/archive/refs/heads/move_to_test_comserver.zip"
     Start-Process -FilePath "$pip_path" -ArgumentList $args -Wait -Passthru
 }
 
diff --git a/dev-requirements.txt b/dev-requirements.txt
index b9f313cf2..95c483343 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -9,4 +9,5 @@ rst2pdf
 Sphinx
 mock==2.0.0
 codacy-coverage
-PyQt5==5.15.4 ; python_version >= '3.6'
\ No newline at end of file
+PyQt5==5.15.4 ; python_version >= '3.6'
+PyQt5-sip==12.15.0 ; python_version < '3.9'
\ No newline at end of file