diff --git a/syntax/mangle.rs b/syntax/mangle.rs
index 1c8c917..72233b3 100644
--- a/syntax/mangle.rs
+++ b/syntax/mangle.rs
@@ -3,7 +3,7 @@
 use crate::syntax::ExternFn;
 use proc_macro2::Ident;
 
-const CXXBRIDGE: &str = "cxxbridge04";
+const CXXBRIDGE: &str = "cxxbridge05";
 
 macro_rules! join {
     ($($segment:expr),*) => {