diff --git a/regex-automata/Cargo.toml b/regex-automata/Cargo.toml
index a01d3ec72..b749eecae 100644
--- a/regex-automata/Cargo.toml
+++ b/regex-automata/Cargo.toml
@@ -13,6 +13,7 @@ categories = ["text-processing"]
 edition = "2021"
 autoexamples = false
 rust-version = "1.65"
+include = ["src/**/*.rs", "Cargo.toml", "/README.md", "LICENSE-APACHE", "LICENSE-MIT"]
 
 [lib]
 bench = false