diff --git a/pyproject.toml b/pyproject.toml
index 15d09e6c5..d6cd36665 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,7 @@ dependencies = [
   "django-filter>=23.2,<25.0",
   "django-libsass>=0.9,<1.0",
   "django-mathfilters>=1.0,<2.0",
-  "django-mptt==0.14.0",  # pinned, 0.15 requires Python >= 3.9
+  "django-mptt>=0.16.0,<1.0.0",
   "django-rest-swagger>=2.2,<3.0",
   "django-settings-export>=1.2,<2.0",
   "django-split-settings>=1.2,<2.0",