diff --git a/.gitignore b/.gitignore
index e69de29..5aad6bd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1 @@
+/y4m-0.3.2.crate
diff --git a/sources b/sources
index e69de29..b75bf66 100644
--- a/sources
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (y4m-0.3.2.crate) = 251e086cf6e9ea5b016b9ca7d256ec6777077bc5b6566598d2206ac192b74630ea66bb177611fe0ce507c8998b927f46d18b67d7926ece3414949474f6e1b004
diff --git a/y4m-0.3.2.crate b/y4m-0.3.2.crate
deleted file mode 100644
index 74f43a3..0000000
Binary files a/y4m-0.3.2.crate and /dev/null differ