diff --git a/.gitignore b/.gitignore
index e69de29..31977a4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1 @@
+/interpolate_name-0.2.1.crate
diff --git a/interpolate_name-0.2.1.crate b/interpolate_name-0.2.1.crate
deleted file mode 100644
index 9241ae9..0000000
Binary files a/interpolate_name-0.2.1.crate and /dev/null differ
diff --git a/sources b/sources
index e69de29..7b8639c 100644
--- a/sources
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (interpolate_name-0.2.1.crate) = f242e2cd0cf234ca3bcb8c79908e8fcd6e00f5e7e72ed920d8c21960a9130d49f0fdf3d08a6117ef22461042dd8a85728e50163abd1ffab5be428f0be66ed9a1