diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e139797..f023470 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -44,7 +44,7 @@ jobs:
           conda activate test
           conda install --file requirements/run.txt
           conda install --file requirements/test.txt
-          pip install .
+          pip install . --no-deps
 
       - name: Validate diffpy.srmise
         shell: bash -l {0}
diff --git a/pyproject.toml b/pyproject.toml
index 3c8f23b..53dcf0d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "diffpy.srmise"
-dynamic=['version']
+dynamic=['version', 'dependencies']
 authors = [
   { name="Simon J.L. Billinge group", email="simon.billinge@gmail.com" },
         {name="Luke Granlund", email="granlund@pa.msu.edu"},
@@ -51,6 +51,9 @@ include = ["*"]  # package names should match these glob patterns (["*"] by defa
 exclude = ["diffpy.srmise.tests*"]  # 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"]}
+
 [tool.black]
 line-length = 115
 include = '\.pyi?$'