diff --git a/Cargo.toml b/Cargo.toml
index 5fedee7..87b2e49 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "compareware"
 version = "0.1.2"
-edition = "2025"
+edition = "2021"
 
 [lib]
 crate-type = ["cdylib", "rlib"]