diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index cc1b4fd1c..2a62f51e1 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -18,4 +18,5 @@ repos:
     rev: v2.2.6
     hooks:
       - id: codespell
-        args: ["--write-changes"]
+        additional_dependencies:
+          - tomli
diff --git a/pyproject.toml b/pyproject.toml
index 7e78a16dc..074f3b054 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -67,3 +67,6 @@ build-backend = "setuptools.build_meta"
 
 [tool.setuptools_scm]
 write_to = "aider/__version__.py"
+
+[tool.codespell]
+skip = "*.svg,Gemfile.lock"