diff --git a/pyproject.toml b/pyproject.toml
index 6c4ebf60c5..9aa3c870c7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -242,7 +242,6 @@ relative_files = true
 context = '${CONTEXT}'
 omit = [
     "tests/benchmarks/*",
-    "docs_src/response_model/tutorial003_04_py39.py",
     "docs_src/response_model/tutorial003_04_py310.py",
     "docs_src/dependencies/tutorial013_an_py310.py",  # temporary code example?
     "docs_src/dependencies/tutorial014_an_py310.py",  # temporary code example?