diff --git a/requirements.txt b/requirements.txt
index 4aff48ba..23cfd764 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -67,6 +67,7 @@ myst-parser==0.18.1
     # via ansible-compat (setup.cfg)
 packaging==21.3
     # via
+    #   ansible-compat (setup.cfg)
     #   build
     #   pytest
     #   sphinx
diff --git a/setup.cfg b/setup.cfg
index 2e39c424..b2b97494 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -57,6 +57,7 @@ zip_safe = False
 
 # These are required in actual runtime:
 install_requires =
+  packaging
   PyYAML
   subprocess-tee >= 0.3.5
   jsonschema >= 4.6.0