diff --git a/sources b/sources
index 5b63b98..4d35554 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (u-boot-2017.03.tar.bz2) = 4f6fe0d532d1d7c6c39b1f46a0b4e46a386a479562875a39d8c0b235888b5f98d371741597c13a6815dbdb3e0fc161aeca43cc630f32ec41629f2796bfaed84a
+SHA512 (u-boot-2017.05-rc1.tar.bz2) = 06295e6e56a28566f8c65ab370a087740f017390f0f2917dacb0a45d0793b0c50d37dfe7da36eee3704bb538834bfb3e99c75a641d7388372139030ff9becc89