diff --git a/parser-gen/Cargo.toml b/parser-gen/Cargo.toml
index 8dcf1b6..25369db 100644
--- a/parser-gen/Cargo.toml
+++ b/parser-gen/Cargo.toml
@@ -4,6 +4,7 @@ version = "0.1.0"
 authors = ["Edouard Oger <eoger@fastmail.com>"]
 edition = "2018"
 license = "MPL-2.0"
+publish = false
 
 [dependencies]
 lalrpop = { version = "0.19", features = ["lexer"] }