diff --git a/.appveyor.yml b/.appveyor.yml
index 46112807..634aa8bd 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -12,5 +12,7 @@ init:
   - 'nmake -f Make_mvc.mak CPU=AMD64 OLE=no GUI=no IME=yes MBYTE=yes
     ICONV=yes DEBUG=no FEATURES=NORMAL'
 
+clone_depth: 10
+
 test_script:
   - echo hello world