diff --git a/.gitignore b/.gitignore
index f2d20b0..b3778a8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /Abacus-19.tar.bz2
 /abacus-20.xo
+/Abacus-20.tar.bz2
diff --git a/sources b/sources
index dea0edc..fd4540c 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-591c4084b6b702e8e711fe6cc6dc5a52  abacus-20.xo
+8d2bcd9824e400c0499db49bed4bff04  Abacus-20.tar.bz2