diff --git a/appveyor.yml b/appveyor.yml
index 6f4ae621..a31ad90d 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -16,3 +16,6 @@ test_script:
   - script\test.cmd
 
 build: off
+
+cache:
+  - test\fixtures\grammars
\ No newline at end of file