diff --git a/book.toml b/book.toml
index 29689300..c09a142d 100644
--- a/book.toml
+++ b/book.toml
@@ -1,3 +1,3 @@
 [book]
 title = "Rust and WebAssembly"
-author = "The Rust and WebAssembly Working Group"
+authors = ["The Rust and WebAssembly Working Group"]