diff --git a/libical.spec b/libical.spec
index 8f8c59b..16f1c48 100644
--- a/libical.spec
+++ b/libical.spec
@@ -9,7 +9,7 @@ Source0:        https://github.com/%{name}/%{name}/releases/download/v%{version}
 Patch1:         libical-3.0.3-covscan.patch
 
 BuildRequires:  gcc-c++ cmake gtk-doc perl-interpreter vala pkgconfig
-BuildRequires:  python3 python3-pip python3-gobject
+BuildRequires:  python3 python3-pip python3-gobject libxslt
 BuildRequires:  pkgconfig(icu-uc) pkgconfig(gobject-2.0) pkgconfig(gobject-introspection-1.0) pkgconfig(libxml-2.0) pkgconfig(icu-i18n)
 Provides:       libical-glib
 Obsoletes:      libical-glib