diff --git a/justfile b/justfile
index c0550ac..82030f3 100644
--- a/justfile
+++ b/justfile
@@ -63,6 +63,9 @@ sloc:
 	echo Checking for long lines...
 	! grep --color -En '.{101}' src/*.rs
 
+rename FROM TO:
+	find src -name '*.rs' | xargs sed -i '' -E 's/{{FROM}}/{{TO}}/g'
+
 nop:
 
 fail: