diff --git a/Makefile b/Makefile
index e5fc3a6..da54ffc 100644
--- a/Makefile
+++ b/Makefile
@@ -15,6 +15,7 @@ lintroll:
 	mypy -p libp2p -p examples --config-file mypy.ini
 	black --check $(FILES_TO_LINT)
 	isort --recursive --check-only $(FILES_TO_LINT)
+	docformatter --pre-summary-newline --check --recursive $(FILES_TO_LINT)
 	flake8 $(FILES_TO_LINT)
 
 protobufs: $(PY)
diff --git a/tox.ini b/tox.ini
index a22cb89..3fc294a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -41,6 +41,7 @@ commands =
     mypy -p libp2p -p examples --config-file {toxinidir}/mypy.ini
     black --check libp2p tests tests_interop examples setup.py
     isort --recursive --check-only --diff libp2p tests tests_interop examples setup.py
+    docformatter --pre-summary-newline --check --recursive libp2p tests tests_interop examples setup.py
     flake8 libp2p tests tests_interop examples setup.py
 
 [testenv:py37-interop]