diff --git a/book.json b/book.json
deleted file mode 100644
index 17428bd..0000000
--- a/book.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-    "title": "The Rust Reference",
-    "author": "The Rust Project Developers"
-}
diff --git a/book.toml b/book.toml
new file mode 100644
index 0000000..0e726ee
--- /dev/null
+++ b/book.toml
@@ -0,0 +1,2 @@
+title = "The Rust Reference"
+author = "The Rust Project Developers"