diff --git a/python-pyproj.spec b/python-pyproj.spec
index 15983fe..a5c8e7d 100644
--- a/python-pyproj.spec
+++ b/python-pyproj.spec
@@ -36,6 +36,7 @@ BuildRequires:  fdupes
 BuildRequires:  proj
 BuildRequires:  proj-devel >= 6.2.0
 BuildRequires:  python-rpm-macros
+Requires:       python-aenum
 Requires:       python-numpy
 # SECTION test requirements
 BuildRequires:  %{python_module cov-core}