diff --git a/library/proc_macro/Cargo.toml b/library/proc_macro/Cargo.toml
index e54a50aa15c..72cb4e4166f 100644
--- a/library/proc_macro/Cargo.toml
+++ b/library/proc_macro/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "proc_macro"
 version = "0.0.0"
-edition = "2021"
+edition = "2024"
 
 [dependencies]
 std = { path = "../std" }