diff --git a/.appveyor.yml b/.appveyor.yml
index bfdd1b1..ce98769 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -14,14 +14,14 @@ init:
   - set PATH=%PYTHON%\Scripts;%PYTHON%;C:\Program Files (x86)\NSIS;%PATH%
   - python --version
   - python -m pip install -U pip setuptools wheel
-  - pip install -U pypiwin32==219
+  - pip install -U pypiwin32==223
   - pip install twisted
   - pip install zope.interface
   - type nul > %PYTHON%\lib\site-packages\zope\__init__.py
   - curl -L https://bintray.com/alby128/Syncplay/download_file?file_path=py2exe-0.9.2.2-py33.py34.py35-none-any.whl -o py2exe-0.9.2.2-py33.py34.py35-none-any.whl
   - pip install py2exe-0.9.2.2-py33.py34.py35-none-any.whl
   - del py2exe-0.9.2.2-py33.py34.py35-none-any.whl
-  - pip install PySide2==5.11.1
+  - pip install PySide2==5.12.0
   - pip freeze
   
 install: