diff --git a/pyproject.toml b/pyproject.toml
index e7f8ddf..707162f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,6 +40,7 @@ classifiers = [
 ]
 dependencies = [
   "django>=4.2",
+  "packaging",
 ]
 optional-dependencies.dev = [
   "django-stubs[compatible-mypy]",