diff --git a/python-virt-firmware.spec b/python-virt-firmware.spec
index 1b99133..fb6e466 100644
--- a/python-virt-firmware.spec
+++ b/python-virt-firmware.spec
@@ -11,6 +11,7 @@ Source0:        https://gitlab.com/kraxel/virt-firmware/-/archive/v%{pypi_versio
 BuildArch:      noarch
 
 BuildRequires:  python3-devel
+BuildRequires:  python3dist(cryptography)
 BuildRequires:  python3dist(setuptools)
 BuildRequires:  make help2man