diff --git a/Makefile b/Makefile
index 0ad4828..a235a27 100644
--- a/Makefile
+++ b/Makefile
@@ -52,8 +52,13 @@ check-licenses:
 
 .PHONY: check-licenses
 
+lint-python:
+	$(IN_CONDA_ENV) flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
 
-check: check-licenses
+.PHONY: lint-python
+
+
+check: check-licenses lint-python
 	@true
 
 all: README.rst
diff --git a/requirements.txt b/requirements.txt
index 05f4b41..fe8a2c1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,5 @@
+flake8
+
 # rst_include tool as GitHub doesn't support `.. include::` when rendering
 # previews.
 rst_include