diff --git a/README.rst b/README.rst
index 2295ca4e05..7f6c33d417 100644
--- a/README.rst
+++ b/README.rst
@@ -71,6 +71,16 @@ requirements is produced. If the inputs are lower-constraints.txt, the
 output includes the highest version of each package referenced in the
 files.
 
+check-requirements
+------------------
+
+Run the validation checks from the ``requirements-check`` job locally
+using the ``requirements-check`` tox environment.
+
+Run::
+
+    $ tox -e requirements-check -- /path/to/repo/to/test
+
 Proposing changes
 =================
 
diff --git a/tox.ini b/tox.ini
index df847ef7b5..e11329b25a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -95,6 +95,12 @@ basepython = python3.5
 [testenv:py36]
 basepython = python3.6
 
+[testenv:requirements-check]
+basepython = python3
+deps = -r{toxinidir}/requirements.txt
+commands =
+  {toxinidir}/playbooks/files/project-requirements-change.py --local {posargs}
+
 [testenv:babel]
 # Use the local upper-constraints.txt file
 deps = Babel