diff --git a/hw/mcu/atmel/samd21xx/ext/pkg.yml b/hw/mcu/atmel/samd21xx/ext/pkg.yml
index 4590209c57..9dd157d564 100644
--- a/hw/mcu/atmel/samd21xx/ext/pkg.yml
+++ b/hw/mcu/atmel/samd21xx/ext/pkg.yml
@@ -23,7 +23,7 @@ pkg.type: sdk
 
 repository.atmel-samd21xx:
     type: github
-    vers: mynewt_1_10_0_tag-commit
+    vers: 0.0.0
     branch: master
     user: runtimeco
     repo: mynewt_arduino_zero