diff --git a/.gitignore b/.gitignore
index d5ff97a..257480c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /parallel-20110722.tar.bz2
+/parallel-20120222.tar.bz2
diff --git a/sources b/sources
new file mode 100644
index 0000000..f0c8cec
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+31f211087c7f1c7b99092f6bccaa65ed  parallel-20120222.tar.bz2