diff --git a/.gitignore b/.gitignore
index b207a70..93af8a5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 SOURCES/threads-2.21.tar.gz
+/threads-2.21.tar.gz
diff --git a/sources b/sources
index eec9f79..0f311f7 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA1 (threads-2.21.tar.gz) = bb9641a3e581315e718c05e572984c4ab470b0f9
+SHA512 (threads-2.21.tar.gz) = 2604b46e2befd54529d874ca4b135976c42cef0955bf4b29206eab061bfa61d84bde29cce0a68c7842e304707a114db6550af18a3d1d85a87ef0e5e2e39a4222