diff --git a/pyproject.toml b/pyproject.toml
index 074f3b054..7b0a6ccad 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -70,3 +70,4 @@ write_to = "aider/__version__.py"
 
 [tool.codespell]
 skip = "*.svg,Gemfile.lock"
+write-changes = true