diff --git a/cinnamon-screensaver.spec b/cinnamon-screensaver.spec
index 1d4ba71..8509e31 100644
--- a/cinnamon-screensaver.spec
+++ b/cinnamon-screensaver.spec
@@ -36,6 +36,7 @@ BuildRequires: pkgconfig(xrandr)
 BuildRequires: pkgconfig(libxdo)
 BuildRequires: pkgconfig(dbus-1)
 BuildRequires: pkgconfig(pam)
+BuildRequires: python3-packaging
 
 Requires: cinnamon-desktop%{?_isa} >= 6.0.0
 Requires: cinnamon-translations >= 6.0.0