diff --git a/pyproject.toml b/pyproject.toml
index 8f24911f..7304a8db 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,7 +51,7 @@ exclude = []  # exclude packages matching these glob patterns (empty by default)
 namespaces = false  # to disable scanning PEP 420 namespaces (true by default)
 
 [tool.setuptools.dynamic]
-dependencies = {file = ["requirements/run.txt"]}
+dependencies = {file = ["requirements/pip.txt"]}
 
 [tool.black]
 line-length = 115
diff --git a/requirements/pip.txt b/requirements/pip.txt
index e69de29b..d398d156 100644
--- a/requirements/pip.txt
+++ b/requirements/pip.txt
@@ -0,0 +1,6 @@
+numpy
+wxpython
+diffpy.pdffit2
+diffpy.structure
+diffpy.utils
+matplotlib