Index: boxcar/Cargo.toml
===================================================================
--- boxcar.orig/Cargo.toml
+++ boxcar/Cargo.toml
@@ -67,7 +67,7 @@ harness = false
 version = "0.5"
 
 [target."cfg(loom)".dependencies.loom]
-version = "0.7"
+version = "0.5"
 optional = true
 
 [lints.rust.unexpected_cfgs]
