Correctly pin RPM utility version

pombredanne · pombredanne · commit 5b267b56a934 · 2021-05-10T16:53:41.000+02:00
Signed-off-by: Philippe Ombredanne &lt;pombredanne@nexb.com&gt;
diff --git a/requirements.txt b/requirements.txt
@@ -53,6 +53,7 @@ pyparsing==2.4.0
 PyYAML==5.4.1
 rdflib==4.2.1
 requests==2.25.1
+rpm-inspector-rpm==4.16.1.3.210404
 saneyaml==0.5.2
 setuptools==51.3.3
 six==1.12.0
