diff --git a/python-google-api-core.spec b/python-google-api-core.spec
index 40ed180..f9846c0 100644
--- a/python-google-api-core.spec
+++ b/python-google-api-core.spec
@@ -16,7 +16,7 @@ Source0:        %forgesource
 Patch0:         use-unittest-mock-builtin.patch
 
 
-BuildRequires:  pyproject-rpm-macros
+BuildRequires:  python3-devel
 
 %if %{with tests}
 BuildRequires:  python3dist(google-auth)