diff --git a/appveyor.yml b/appveyor.yml
index 89b80afa46..6fcf912aa8 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -4,6 +4,9 @@ platform:
   - Win32
   - Win64
 
+cache:
+  - C:/Users/appveyor/.cppan
+
 configuration:
   - Release