diff --git a/LICENSE b/LICENSE
index 24a2b94..352913b 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (C) 2020 Dan Buch
+Copyright (C) 2021 Dan Buch
 
 MIT License
 
diff --git a/rustbook/hello_world/main b/rustbook/hello_world/main
new file mode 100755
index 0000000..d81cfac
Binary files /dev/null and b/rustbook/hello_world/main differ