diff --git a/setup.cfg b/setup.cfg
index fefcc22..eaa7b47 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -21,7 +21,7 @@ include_package_data = true
 install_requires =
     pandas
     pyshacl >= 0.24.0
-    rdflib
+    rdflib < 8
     requests
     tabulate
 packages = find: