diff --git a/appveyor.yml b/appveyor.yml
index dd426cc93..2105aa377 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -2,7 +2,6 @@ version: 1.0.{build}
 
 pull_requests:
   do_not_increment_build_number: true
-clone_depth: 1
 image: Visual Studio 2017
 cache: c:\tools\vcpkg\installed\