diff --git a/.gitignore b/.gitignore
index 04f393f..ce07cf9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 SOURCES/Cython-0.28.1.tar.gz
+/Cython-0.28.1.tar.gz
diff --git a/sources b/sources
index 256d8dd..64c4bec 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA1 (Cython-0.28.1.tar.gz) = 85d6abc9cded209bfa0e21f0f6876018e6125056
+SHA512 (Cython-0.28.1.tar.gz) = 3346ebe01049ff6628f74ee1904d440680ccc7fc09c51afd26d6e05264318678c9fb64da4d98703d3e687662e98125e0b182d01cb9276cbb4fcb014ecb35be63