diff --git a/nextpnr.spec b/nextpnr.spec
index 281434d..ae10c75 100644
--- a/nextpnr.spec
+++ b/nextpnr.spec
@@ -16,6 +16,7 @@ BuildRequires:	cmake
 BuildRequires:	gcc-c++
 BuildRequires:	make
 BuildRequires:	python3-devel
+BuildRequires:	python3-setuptools
 BuildRequires:	libglvnd-devel
 BuildRequires:	boost-filesystem
 BuildRequires:	boost-thread