diff --git a/.markdownlint-cli2.yaml b/.markdownlint-cli2.yaml
index b0159b5f..c248cb45 100644
--- a/.markdownlint-cli2.yaml
+++ b/.markdownlint-cli2.yaml
@@ -13,3 +13,4 @@ ignores:
   - ".github/**"
   - "venv/**"
   - ".venv/**"
+  - "**/testdata/**"