diff --git a/Makefile b/Makefile
index ce3b5ae..57220d2 100644
--- a/Makefile
+++ b/Makefile
@@ -6,10 +6,10 @@ dist:
 install:
 	pip install .
 
-develop:
+dev-install:
 	pip install -e .
 
-reinstall:
+reinstall: requirement
 	pip uninstall -y surfaces
 	rm -fr build dist surfaces.egg-info
 	python setup.py bdist_wheel
@@ -23,5 +23,10 @@ test-pytest:
 
 test:  test-pytest tox-test
 
+requirement:
+	cd requirements/; \
+		pip-compile requirements.in;\
+		pip-compile requirements-test.in
+
 database:
 	python -m collect_search_data.py
\ No newline at end of file
diff --git a/requirements/requirements-dev.in b/requirements/requirements-dev.in
new file mode 100644
index 0000000..3930480
--- /dev/null
+++ b/requirements/requirements-dev.in
@@ -0,0 +1 @@
+flake8
diff --git a/requirements/requirements-test.in b/requirements/requirements-test.in
new file mode 100644
index 0000000..df595aa
--- /dev/null
+++ b/requirements/requirements-test.in
@@ -0,0 +1,3 @@
+pytest
+flake8
+pytest-cov
\ No newline at end of file
diff --git a/requirements.txt b/requirements/requirements.in
similarity index 100%
rename from requirements.txt
rename to requirements/requirements.in
diff --git a/setup.py b/setup.py
index c1a425e..10e2db9 100644
--- a/setup.py
+++ b/setup.py
@@ -45,7 +45,7 @@ def find_version(*filepath):
         "Intended Audience :: Information Technology",
         "Intended Audience :: Science/Research",
     ],
-    install_requires=open("./requirements.txt").readlines(),
+    install_requires=open("./requirements/requirements.txt").readlines(),
     python_requires=">=3.5",
     include_package_data=True,
 )