diff --git a/appveyor.yml b/appveyor.yml
index 3d55a92..2b7808f 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -14,6 +14,9 @@ install:
 
 build: off
 
+cache:
+  - '%LOCALAPPDATA%\pip\Cache'
+
 test_script:
   - "python -m pip install tox tox-venv"
   - "tox"