diff --git a/secrets.spec b/secrets.spec
index 757cf8a..594fd61 100644
--- a/secrets.spec
+++ b/secrets.spec
@@ -44,6 +44,7 @@ BuildRequires:  python3dist(pytest)
 Requires:       hicolor-icon-theme
 Requires:       libadwaita >= %{libadwaita_version}
 Requires:       python3-gobject
+Requires:       python3-pykcs11
 Requires:       python3-pykeepass >= %{pykeepass_version}
 Requires:       python3-pyotp >= %{pyotp_version}
 Requires:       python3-validators