diff --git a/setup.py b/setup.py
index f2976bc0ee95bbddbdfbad2bbbb43a8f7cd2da30..1c08572d4f9349dcdb33546b2134a3ea064b8f9c 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@ setuptools.setup(
     url="https://git.rwth-aachen.de/i5/teaching/jupyter-rdfify",
     packages=setuptools.find_packages(),
     install_requires=[
-        "rdflib>=6.0.2",
+        "rdflib==5.0.0",
         "ipython>=7.0.0",
         "graphviz",
         "sparqlwrapper>=1.8.5",