diff --git a/default.xml b/default.xml
index 94dbc0d..224215c 100644
--- a/default.xml
+++ b/default.xml
@@ -240,6 +240,7 @@
   <project path="external/tremolo" name="platform/external/tremolo" groups="pdk" />
   <project path="external/v8" name="platform/external/v8" />
   <project path="external/valgrind" name="platform/external/valgrind" groups="pdk" />
+  <project path="external/vixl" name="platform/external/vixl" />
   <project path="external/webp" name="platform/external/webp" />
   <project path="external/webrtc" name="platform/external/webrtc" groups="pdk" />
   <project path="external/wpa_supplicant_8" name="platform/external/wpa_supplicant_8" groups="pdk" />