diff --git a/examples/ex2_1.ipynb b/examples/ex2_1.ipynb
index 3d3663b..8c41081 100644
--- a/examples/ex2_1.ipynb
+++ b/examples/ex2_1.ipynb
@@ -18,7 +18,7 @@
     "\n",
     "> [`morph-kgc`](https://github.com/oeg-upm/morph-kgc) is an engine that constructs RDF knowledge graphs from heterogeneous data sources with [R2RML](https://www.w3.org/2001/sw/rdb2rdf/r2rml/) and [RML](https://rml.io/specs/rml/) mapping languages. Morph-KGC is built on top of pandas and it leverages mapping partitions to significantly reduce execution times and memory consumption for large data sources.\n",
     "\n",
-    "For documentation see <https://github.com/oeg-upm/Morph-KGC/wiki/Usage>"
+    "For documentation see <https://morph-kgc.readthedocs.io/en/latest/documentation/>"
    ]
   },
   {
diff --git a/kglab/kglab.py b/kglab/kglab.py
index ba404e4..33c35c2 100644
--- a/kglab/kglab.py
+++ b/kglab/kglab.py
@@ -915,10 +915,10 @@ def materialize (
         config: str,
         ) -> "KnowledgeGraph":
         """
-Binding to the morph-kgc `materialize()` method.
+Binding to the [Morph-KGC](https://github.com/oeg-upm/morph-kgc) `materialize()` method.
 
     config:
-morph-kgc configuration, it can be the path to the config file, or a string with the config; see <https://github.com/oeg-upm/Morph-KGC/wiki/Usage#library>
+morph-kgc configuration, it can be the path to the config file, or a string with the config; see <https://morph-kgc.readthedocs.io/en/latest/documentation/#library>
 
     returns:
 this `KnowledgeGraph` object – used for method chaining
diff --git a/requirements.txt b/requirements.txt
index 087b06a..1d66f14 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ decorator >= 5.1
 fsspec[gs,s3] >= 2022.2
 gcsfs >= 2022.2
 icecream >= 2.1
-morph-kgc >= 1.6
+morph-kgc >= 2.0.0
 networkx >= 2.7
 numpy >= 1.21
 owlrl >= 6.0.2