diff --git a/.gitignore b/.gitignore
index d672d24..6596cfe 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 SOURCES/sgabios-20170427-gitcbaee52.tar.xz
+/sgabios-20170427-gitcbaee52.tar.xz
diff --git a/sources b/sources
index f4bc1b7..6309179 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA1 (sgabios-20170427-gitcbaee52.tar.xz) = 5e233c2aee6b1d3b2b6a48f2052796cda80e785e
+SHA512 (sgabios-20170427-gitcbaee52.tar.xz) = 71ebe21c50aef39d957c71f6a52508bddf60812afc7267ae6dc28e86a4a4eb2a6f022de5cabf06eafdfc798c0af986e2c0b68c46c962053459b07c31ddd203db