diff --git a/liborcus.spec b/liborcus.spec
index 18fdcbf..1799500 100644
--- a/liborcus.spec
+++ b/liborcus.spec
@@ -26,6 +26,7 @@ Source0: https://kohei.us/files/orcus/src/%{name}-%{version}.tar.xz
 Patch0:  %{name}-gcc11.patch
 Patch1:  liborcus-noexamples.patch
 
+BuildRequires: make
 BuildRequires: boost-devel
 BuildRequires: doxygen
 BuildRequires: gcc-c++