diff --git a/.gitignore b/.gitignore
index 0287537..0fb2646 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,7 @@
 # Rust
 /target/
 **/*.rs.bk
-Cargo.lock
+# Cargo.lock is tracked for reproducible WASM builds (Soroban/Stellar requirement)
 
 # Soroban compiled output
 *.wasm