diff --git a/kernel-srpm-macros.spec b/kernel-srpm-macros.spec
index 3196a7d..ab69f4b 100644
--- a/kernel-srpm-macros.spec
+++ b/kernel-srpm-macros.spec
@@ -75,6 +75,10 @@ Requires: %{_bindir}/readelf
 # for find-requires.ksyms
 Requires: %{_sbindir}/modinfo
 Requires: %{_sbindir}/modprobe
+# for brp-kmod-set-exec-bit, brp-kmod-restore-perms, modalias.prov
+# (probably can switch to using "type CMD1 CMD2 >/dev/null" instead,
+# "type" is a shell builtin required by standards).
+Requires: which
 
 %description -n kernel-rpm-macros
 Macros and scripts for building kernel module packages.