diff --git a/requirements.txt b/requirements.txt
index 142423c9a..5ae3bf330 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,6 +4,6 @@ graphviz
 PyYAML
 blessings
 Pygments
-rdflib
+rdflib>=5.0.0
 semver
 pydot