diff --git a/bindep.txt b/bindep.txt
new file mode 100644
index 0000000..5b3ec8a
--- /dev/null
+++ b/bindep.txt
@@ -0,0 +1,4 @@
+# This is a cross-platform list tracking distribution packages needed for install and tests;
+# see https://docs.openstack.org/infra/bindep/ for additional information.
+
+unzip
diff --git a/tox.ini b/tox.ini
index 765d98f..cfc3314 100644
--- a/tox.ini
+++ b/tox.ini
@@ -104,3 +104,15 @@
   -c{toxinidir}/lower-constraints.txt
   -r{toxinidir}/test-requirements.txt
   -r{toxinidir}/requirements.txt
+
+[testenv:bindep]
+basepython = python3
+# Do not install any requirements. We want this to be fast and work even if
+# system dependencies are missing, since it's used to tell you what system
+# dependencies are missing! This also means that bindep must be installed
+# separately, outside of the requirements files, and develop mode disabled
+# explicitly to avoid unnecessarily installing the checked-out repo too (this
+# further relies on "tox.skipsdist = True" above).
+deps = bindep
+commands = bindep test
+usedevelop = False