diff --git a/lexmapr/__init__.py b/lexmapr/__init__.py
index 7320e64e..fb9b668f 100644
--- a/lexmapr/__init__.py
+++ b/lexmapr/__init__.py
@@ -1 +1 @@
-__version__ = '0.7.1'
\ No newline at end of file
+__version__ = '0.7.2'
diff --git a/requirements.txt b/requirements.txt
index 36fcefe3..b7c62709 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,4 +2,4 @@ nltk==3.4.5
 wikipedia==1.4.0
 inflection==0.3.1
 python-dateutil==2.7.3
-rdflib==4.2.2
+rdflib==6.3.2
diff --git a/setup.py b/setup.py
index fbd95dc6..f1baec80 100644
--- a/setup.py
+++ b/setup.py
@@ -29,7 +29,7 @@
           'wikipedia==1.4.0',
           'inflection==0.3.1',
           'python-dateutil==2.7.3',
-          'rdflib==4.2.2',
+          'rdflib==6.3.2',
       ],
       python_requires='>=3.5, <3.8',
       test_suite='nose.collector',