diff --git a/libical.spec b/libical.spec
index c5f08ff..4acc637 100644
--- a/libical.spec
+++ b/libical.spec
@@ -18,7 +18,8 @@ BuildRequires:	pkgconfig(gobject-introspection-1.0)
 BuildRequires:	pkgconfig(libxml-2.0)
 BuildRequires:	pkgconfig(icu-i18n)
 BuildRequires:	pkgconfig(icu-uc)
-BuildRequires:	perl-interpreter
+BuildRequires:	perl(Getopt::Std)
+BuildRequires:	perl(lib)
 BuildRequires:	python3
 BuildRequires:	python3-pip
 BuildRequires:	python3-gobject