diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b5ea84b..4a7ea44 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -27,10 +27,6 @@ repos:
   repo: https://github.com/myint/autoflake
   rev: v2.3.1
 
-- repo: https://github.com/asottile/setup-cfg-fmt
-  rev: v2.5.0
-  hooks:
-  - id: setup-cfg-fmt
 
 - repo: https://github.com/asottile/reorder-python-imports
   rev: v3.13.0
diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 0000000..fb271e2
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,3 @@
+[mutmut]
+also_copy=
+      src/inline_snapshot/py.typed