diff --git a/src/pyproject_fmt/formatter/tools.py b/src/pyproject_fmt/formatter/tools.py
index 61cedf8..4f2eba7 100644
--- a/src/pyproject_fmt/formatter/tools.py
+++ b/src/pyproject_fmt/formatter/tools.py
@@ -60,6 +60,7 @@ def fmt_tools(parsed: TOMLDocument, conf: Config) -> None:  # noqa: ARG001
         "check-manifest",
         "check-sdist",
         "check-wheel-contents",
+        "deptry",
         # Testing
         "pytest",
         "pytest_env",
diff --git a/tests/formatter/test_tools.py b/tests/formatter/test_tools.py
index e1c35ed..c784cc0 100644
--- a/tests/formatter/test_tools.py
+++ b/tests/formatter/test_tools.py
@@ -22,6 +22,8 @@ def test_tools_ordering(fmt: Fmt) -> None:
     a = 0
     [tool.black]
     a = 0
+    [tool.deptry]
+    a = 0
     [tool.isort]
     a = 0
     [tool.flake8]
@@ -144,6 +146,9 @@ def test_tools_ordering(fmt: Fmt) -> None:
 
     [tool.check-wheel-contents]
 
+    [tool.deptry]
+    a = 0
+
     [tool.pytest]
     a = 0