diff --git a/default.xml b/default.xml
index eaf3c2f..f6aaf2e 100644
--- a/default.xml
+++ b/default.xml
@@ -388,6 +388,7 @@
   <project path="external/xmlrpcpp" name="platform/external/xmlrpcpp" groups="pdk" />
   <project path="external/xmp_toolkit" name="platform/external/xmp_toolkit" groups="pdk" />
   <project path="external/xz-embedded" name="platform/external/xz-embedded" groups="pdk" />
+  <project path="external/yapf" name="platform/external/yapf" groups="vts,pdk" />
   <project path="external/zlib" name="platform/external/zlib" groups="pdk" />
   <project path="external/zopfli" name="platform/external/zopfli" groups="pdk" />
   <project path="external/zxing" name="platform/external/zxing" groups="pdk" />