diff --git a/.github/workflows/win-ci.py b/.github/workflows/win-ci.py
index bb65b20..94b3f3c 100644
--- a/.github/workflows/win-ci.py
+++ b/.github/workflows/win-ci.py
@@ -261,6 +261,7 @@ def lxml():
 
 
 def install_deps():
+    run(PYTHON, '-m', 'pip', 'install', 'setuptools')
     env = query_vcvarsall()
     os.environ.update(env)
     print(PYTHON)