diff --git a/.appveyor.yml b/.appveyor.yml
index 98dbe19..f1a5230 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -17,6 +17,7 @@ build_script:
 - mypy bin/chroma-feedback chroma_feedback tests
 
 test_script:
+- pip install --upgrade pip
 - pip install mock
 - pip install pyqt6
 - pip install pytest