diff --git a/pyproject-rpm-macros.spec b/pyproject-rpm-macros.spec
index 0fff84e..a296774 100644
--- a/pyproject-rpm-macros.spec
+++ b/pyproject-rpm-macros.spec
@@ -53,6 +53,8 @@ Requires:      python-rpm-macros
 Requires:      python-srpm-macros
 Requires:      python3-rpm-macros
 
+# We use the following tools outside of coreutils
+Requires:      /usr/bin/sed
 
 %description
 These macros allow projects that follow the Python packaging specifications