diff --git a/docs/usage.rst b/docs/usage.rst
index 90affa7..fa3b31a 100644
--- a/docs/usage.rst
+++ b/docs/usage.rst
@@ -2,6 +2,8 @@
 Usage
 =====
 
-To use RAMP_GUI in a project::
+To use RAMP_GUI::
 
-    import ramp_gui
+1. Create an environment with the requirements.
+
+2. python main.py
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..b546d54
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,26 @@
+contourpy==1.2.1
+cycler==0.12.1
+et-xmlfile==1.1.0
+fonttools==4.51.0
+kiwisolver==1.4.5
+matplotlib==3.9.0
+numpy==1.26.4
+openpyxl==3.1.2
+packaging==24.0
+pandas==2.2.2
+pillow==10.3.0
+plotly==5.22.0
+pyparsing==3.1.2
+PyQt5==5.15.10
+PyQt5-Qt5==5.15.13
+PyQt5-sip==12.13.0
+PyQt5-stubs==5.15.6.0
+python-dateutil==2.9.0.post0
+pytz==2024.1
+ramp==0.1.4
+rampdemand==0.5.0
+six==1.16.0
+tenacity==8.3.0
+tqdm==4.66.4
+tzdata==2024.1
+XlsxWriter==3.2.0
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 474bd7f..7a19446 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,11 +1,10 @@
-pip==23.3
-bump2version==0.5.11
-wheel==0.38.1
-watchdog==0.9.0
-tox==3.14.0
-coverage==4.5.4
-Sphinx==7.2.6
-twine==5.0.0
-ruff==0.3.5
+bump2version
+wheel
+watchdog
+tox
+coverage
+Sphinx
+twine
+ruff
 
 
diff --git a/tests/test_ramp_gui.py b/tests/test_ramp_gui.py
index 352d9f5..94fab8e 100644
--- a/tests/test_ramp_gui.py
+++ b/tests/test_ramp_gui.py
@@ -4,8 +4,7 @@
 
 
 import unittest
-
-from ramp_gui import ramp_gui
+from src.ramp_gui import ramp_gui
 
 
 class TestRamp_gui(unittest.TestCase):
@@ -19,3 +18,4 @@ def tearDown(self):
 
     def test_000_something(self):
         """Test something."""
+        ramp_gui.ramp_gui()